from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To load or manipulate (dice) fraudulently.
  • intransitive verb To cheat, especially at dice.
  • noun An instance of cheating; a swindle.
  • noun A tenon projecting from a wooden beam designed to fit into an opening in another beam to form a joint.
  • transitive verb To join with tenons.
  • noun One of a series of teeth, as on the rim of a wheel or gear, whose engagement transmits successive motive force to a corresponding wheel or gear.
  • noun A cogwheel.
  • noun A subordinate member of an organization who performs necessary but usually minor or routine functions.

from The Century Dictionary.

  • noun A small boat; a cockboat; a cock.
  • noun A trading-vessel; a galley; a ship in general.
  • To furnish with cogs.
  • To wedge up so as to render steady or prevent motion: as, to cog the leg of a table which stands unevenly; to cog a wheel of a carriage with a stone or a piece of wood.
  • To harrow.
  • To empty into a wooden vessel.
  • noun A tooth, catch, or projection, usually one of a continuous series of such projections, on the periphery or the side of a wheel, or on any part of a machine, which, on receiving motion, engages with a corresponding tooth or projection on another wheel or other part of the machine, and imparts motion to it. See cut under cog-wheel.
  • noun A mill-wheel; a cog-wheel.
  • noun In mining, same as chock, 4.
  • noun The short handle of a scythe.
  • noun A kind of notch used in tailing joists or wall-plates.
  • noun A circular wooden vessel used for holding milk, broth, etc.
  • noun A measure used at some mills, containing the fourth part of a peck.
  • noun Intoxicating liquor.
  • To flatter; wheedle; seduce or win by adulation or artifice.
  • To obtrude or thrust by falsehood or deception; foist; palm: usually with in or on.
  • To adapt (a die) for cheating, by loading it, so as to direct its fall: as, to play with cogged dice.
  • To wheedle; flatter; dissimulate.
  • To cheat, especially by means of loaded dice.
  • In metallurgy, to roll, especially to roll ingots into blooms.
  • An abbreviation of cognate.
  • noun A trick or deception.
  • noun plural Loaded dice.

from the GNU version of the Collaborative International Dictionary of English.

  • intransitive verb To deceive; to cheat; to play false; to lie; to wheedle; to cajole.
  • transitive verb rare To seduce, or draw away, by adulation, artifice, or falsehood; to wheedle; to cozen; to cheat.
  • transitive verb rare To obtrude or thrust in, by falsehood or deception; ; to palm off.
  • transitive verb To furnish with a cog or cogs.
  • transitive verb (Auscultation) a form of interrupted respiration, in which the interruptions are very even, three or four to each inspiration.
  • noun A small fishing boat.
  • noun A trick or deception; a falsehood.
  • noun (Mech.) A tooth, cam, or catch for imparting or receiving motion, as on a gear wheel, or a lifter or wiper on a shaft; originally, a separate piece of wood set in a mortise in the face of a wheel.
  • noun A kind of tenon on the end of a joist, received into a notch in a bearing timber, and resting flush with its upper surface.
  • noun A tenon in a scarf joint; a coak.
  • noun (Mining.) One of the rough pillars of stone or coal left to support the roof of a mine.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun historical A ship of burden, or war with a round, bulky hull.
  • noun A tooth on a gear
  • noun A gear; a cogwheel
  • noun An unimportant individual in a greater system.
  • noun carpentry A projection or tenon at the end of a beam designed to fit into a matching opening of another piece of wood to form a joint.
  • noun A small fishing boat
  • noun An act of cogging.


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

[Origin unknown.]

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

[Alteration (influenced by cog) of cock, to join with tenons.]

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

[Middle English cogge, probably of Scandinavian origin; akin to Swedish kugg, kugge.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Old English cogge

from Wiktionary, Creative Commons Attribution/Share-Alike License

Uncertain origin. Both verb and noun appear first in 1532.


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  • To COG, to cheat at Dice. To Cog a Die; to conceal or secure a Die; also the Money or whatever the Sweetners drop, to draw in the Bubbles: Also to wheedle.

    May 9, 2009