from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To protect from harm by or as if by watching over: guard a bank; guarding the President. See Synonyms at defend.
  • transitive v. To watch over so as to prevent escape or violence: guarded the prisoner.
  • transitive v. Sports To keep (an opposing player) from scoring or playing efficiently.
  • transitive v. To maintain control over, as to prevent indiscretion: Guard what you say.
  • transitive v. To supervise entry or exit through; keep watch at: guarded the door.
  • transitive v. To furnish (a device or object) with a protective piece.
  • transitive v. Archaic To escort.
  • intransitive v. To take precautions: guard against infection.
  • intransitive v. To serve as a guard.
  • n. One who protects, keeps watch, or acts as a sentinel.
  • n. One who supervises prisoners.
  • n. An honor guard.
  • n. Chiefly British A railway employee in charge of a train.
  • n. Football One of the two offensive linemen on either side of the center.
  • n. Basketball Either of the two players normally positioned in the backcourt who are responsible for bringing the ball to and initiating offensive plays from the frontcourt.
  • n. Sports A defensive position or stance, as in boxing or fencing.
  • n. The act or duty of guarding.
  • n. Protection; watch: a prisoner under close guard.
  • n. Something that gives protection; a safeguard: a guard against tooth decay.
  • n. A device or an attachment that prevents injury, damage, or loss, especially:
  • n. An attachment or a covering put on a machine to protect the operator or a part of the machine.
  • n. A device on a foil, sword, or knife that protects the hand.
  • n. A padded covering worn to protect a body part from injury: a shin guard.
  • n. A small chain or band attached to a watch or bracelet to prevent loss.
  • n. A ring worn to prevent a more valuable ring from sliding off the finger.
  • n. Electronics A signal that prevents accidental activation of a device or ambiguous interpretation of data.
  • idiom off (one's) guard Not alert; unprepared.
  • idiom on (one's) guard Alert and watchful; cautious.
  • idiom stand guard To keep watch.
  • idiom stand guard To act as a sentinel.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A person who, or thing that, protects or watches over something.
  • n. A squad responsible for protecting something.
  • n. A part of a machine which blocks access to dangerous parts.
  • n. A panel of a car that encloses the wheel area, especially the front wheels.
  • n. A relatively short player, playing farther from the basket than a forward or center.
  • n. The position on the popping crease where a batsman makes a mark to align himself with the wicket; see take guard.
  • n. Either of two offensive positions between the center and each of the offensive tackles, whose main responsibilities are to protect the quarterback, and open up "holes" through which offensive players can run.
  • n. A player playing a position named guard.
  • n. An employee, normally travelling in the last vehicle of a train, responsible for the safety of the train.
  • v. To protect from some offence (specific or abstract.)

from the GNU version of the Collaborative International Dictionary of English

  • n. One who, or that which, guards from injury, danger, exposure, or attack; defense; protection.
  • n. A man, or body of men, stationed to protect or control a person or position; a watch; a sentinel.
  • n. One who has charge of a mail coach or a railway train; a conductor.
  • n. Any fixture or attachment designed to protect or secure against injury, soiling, or defacement, theft or loss.
  • n. That part of a sword hilt which protects the hand.
  • n. Ornamental lace or hem protecting the edge of a garment.
  • n. A chain or cord for fastening a watch to one's person or dress.
  • n. A fence or rail to prevent falling from the deck of a vessel.
  • n. An extension of the deck of a vessel beyond the hull; esp., in side-wheel steam vessels, the framework of strong timbers, which curves out on each side beyond the paddle wheel, and protects it and the shaft against collision.
  • n. A plate of metal, beneath the stock, or the lock frame, of a gun or pistol, having a loop, called a bow, to protect the trigger.
  • n. An interleaved strip at the back, as in a scrap book, to guard against its breaking when filled.
  • n. A posture of defense in fencing, and in bayonet and saber exercise.
  • n. An expression or admission intended to secure against objections or censure.
  • n. Watch; heed; care; attention.
  • n. The fibrous sheath which covers the phragmacone of the Belemnites.
  • intransitive v. To watch by way of caution or defense; to be cautious; to be in a state or position of defense or safety.
  • transitive v. To protect from danger; to secure against surprise, attack, or injury; to keep in safety; to defend; to shelter; to shield from surprise or attack; to protect by attendance; to accompany for protection; to care for.
  • transitive v. To keep watch over, in order to prevent escape or restrain from acts of violence, or the like.
  • transitive v. To protect the edge of, esp. with an ornamental border; hence, to face or ornament with lists, laces, etc.
  • transitive v. To fasten by binding; to gird.

from The Century Dictionary and Cyclopedia

  • To secure against injury of any kind in any manner; specifically, to protect by attendance; defend; keep in safety; accompany as a protection.
  • To provide or secure against objections, or the attacks of hostile criticism or malevolence.
  • To protect the edge of, especially by an ornamental border; hence, to adorn with lists, laces, or ornaments.
  • To fasten on a guard for the purpose of binding.
  • To insert guards between the leaves of (an intended guard-book).
  • Synonyms To shield, shelter, watch.
  • To watch by way of caution or defense; be cautious; be in a state of caution or defense.
  • n. A state of readiness to oppose attack; a state of defense; in general, a state of protection against injury or impairment of any kind.
  • n. Specifically, a state of caution or vigilance; attentive observation designed to prevent surprise or attack; watch; heed: as, to keep guard; to be on one's guard; to keep a careful guard over the tongue.
  • n. One who or that which protects or keeps in safety; one who or that which secures against danger, attack, loss, or injury; one who keeps protecting watch.
  • n. Specifically— A man or body of men occupied in preserving a person or place from attack or injury, or in preventing an escape; he or they whose business it is to defend, or to prevent attack or surprise: as, a body-guard; a prison guard.
  • n. Anything that keeps off evil: as, modesty is the guard of innocence.
  • n. That which secures against hostile criticism or censure; a protection against malevolent or ignorant attacks upon one's reputation, opinions, etc.
  • n. In fencing or boxing, a posture of passive defense; the arms or weapon in such a posture: as, to beat down one's guard.
  • n. In the game of cricket, the position of the bat for most effectually defending the wicket.
  • n. In Great Britain, a person who has charge of a mail-coach or a railway-train; a conductor; in the United States, a brakeman or gatekeeper on an elevated railroad.
  • n. plural In cricket, the pads or protectors worn on the legs to prevent injury from swiftly thrown balls.
  • n. Any part, appliance, or attachment designed or serving to protect or secure against harmful contact, injury, loss, or detriment of any kind.
  • n. A chain or cord for fastening a watch, brooch, or bracelet to the dress of the wearer.
  • n. Nautical, the railing of the promenade-deck of a steamer, intended to prevent persons from falling overboard; also, a widening of the deck of a side-wheel steamer by a framework of strong timbers which curve out on each side to the paddle-wheels, and protect them against collision with wharfs and boats.
  • n. A metal frame placed over a nut in an engine, to prevent it from being jarred off.
  • n. One of the fingers in a harvester in which the knives of the cutter-bar move.
  • n. In bookbinding: A reinforcing slip placed between the leaves of a blank book designed for an album or a scrap-book. A narrow strip or narrow strips of paper sewed near the back of a book, made for inserted plates, with intent to keep the book flat, and prevent it from being thicker at the fore edge than at the back.
  • n. A tide-lock between a dock and a river.
  • n. The guard-plate of the door that closes the opening of a cupola-furnace.
  • n. A supplementary safetyrail of heavy timber placed beside a rail in a railway, at a switch or upon a bridge.
  • n. In a vehicle, a hood secured to the axle or bolster, and extending over the nave or hub, to protect the axle from mud.
  • n. A fender.
  • n. A bar or bars placed across a window.
  • n. A guard-ring.
  • n. An iron strap formed into a hoop or hook, attached to the insulator of a telegraph-line to prevent the wire from falling if the insulator is broken.
  • n. In Cephalopoda, the rostrum, a calcareous shell guarding the apex of the phragmacone, as of a belemnite. See cut under belemnite.
  • n. A piece of strong leather to which is attached an iron plate, and which is secured by straps to the right leg of an artillery driver to protect it from injury by the carriage-pole.
  • n. In fencing, in the attitude most advantageous for attack or defense. Rolando (ed. Forsyth), Modern Art of Fencing.
  • n. In foot-ball, basket-ball, and similar games, a player occupying a certain position.
  • n. In fortification, the keep of a castle; the lodging of the main guard.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the person who plays that position on a football team
  • n. a position on a basketball team
  • v. protect against a challenge or attack
  • n. a person who keeps watch over something or someone
  • n. (American football) a position on the line of scrimmage
  • v. to keep watch over
  • n. a posture of defence in boxing or fencing
  • n. a military unit serving to protect some place or person
  • n. a precautionary measure warding off impending danger or damage or injury etc.
  • v. take precautions in order to avoid some unwanted consequence
  • n. a device designed to prevent injury or accidents
  • v. watch over or shield from danger or harm; protect
  • n. the duty of serving as a sentry
  • n. the person who plays the position of guard on a basketball team


from The American Heritage® Dictionary of the English Language, 4th Edition

Middle English garden, from Old French garder, guarder, of Germanic origin; see wer-3 in Indo-European roots.

from Wiktionary, Creative Commons Attribution/Share-Alike License

For verb: From early Middle French or late Old French (circa 14th cent) guarder ("to keep, ward, guard, save, preserve, etc."), from Frankish *wardōn (from Proto-Germanic *wardo-), cognate with Old English weardian (from which English to ward). Compare French garder. See also English regard.


  • _ H. - So. supposes hēafod-weard, _a guard of honor_, such as sovereigns or presumptive rulers had, to be meant by hafalan hȳdan; hence, _you need not give me any guard_, etc.Cf. Schmid, _Gesetze der A. _, 370-372. l.


  • _ H. - So. supposes heáfod-weard, _a guard of honor_, such as sovereigns or presumptive rulers had, to be meant by hafalan hýdan; hence, _you need not give me any guard_, etc.Cf. Schmid, _Gesetze der A. _, 370-372. l.


  • The Strel'tsy were divided in three establishments: a) the grooms [Stremiannye], who represented the guard of the sovereign [Strasza Gossudaria], b) the Moscow Strel'tsy, c) the frontier Strel'tsy, or frontier guard….

    Cranberry Sauce

  • Stanko says: everyone needs to pay attention to the trailor and see that the Security guard is not patrolling the skate park, but it seems as if its a guard from the rail road yard.


  • The Boston-area guard is another explosive scorer who had 43 points in the National Prep Championships.

    Providence - Team Notes

  • If the guard is a minute late, Rojas bangs on the gate's bars, and because he is the boss, the gate quickly swings open.

    Fishing the Venice Beach Pier

  • The Sergeant of the guard is all right, but some of them are devils; they are looking for promotion, and know the way to get it is to excel in cruelty.

    Three Times and Out: A Canadian Boy's Experience in Germany

  • He gave instructions that my depot should be rung up, and he bade Wilson remove me to what he called the guard-room.

    Mr. Standfast

  • I knew you to be the man you are, the moment I laid eyes on you in what we call our guard-room; but I thought I would humor the old soldier who lives here, by letting him have the formula of an examination, as a sort of deference to his age and former rank.

    The Pilot

  • When they do they point to improved physicality based on improved knowledge of the system_whereas last year the line suffered through fits of "paralysis by analysis," a term guard Eric Olson borrowed from line coach John Latina.

    Home -


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  • In fencing, the guard or bell guard protects the hand from the opponent's blade.

    February 6, 2007