American Heritage® Dictionary of the English Language, Fourth Edition
- n. An often enclosed passage or channel for conveying a substance, especially a liquid or gas.
- n. Anatomy A tubular bodily canal or passage, especially one for carrying a glandular secretion: a tear duct.
- n. A tube or pipe for enclosing electrical cables or wires.
- v. To channel through a duct: duct the moist air away.
- v. To supply with ducts.
Century Dictionary and Cyclopedia
- n. Leading; guidance; direction; bearing.
- n. Any tube or canal by which a fluid is conducted or conveyed. Specifically— In anatomy, one of the vessels of an animal body by which the blood, chyle, lymph, secretions, etc., are conveyed. See
- n. In bot.:
- n. A long continuous vessel or canal, formed by a row of cells which have lost their intervening partitions. The walls are variously marked by pits and by spiral, annular, or reticulated thickenings, and the cavity may be filled with air or water, or they may be lactiferous.
- n. In bryology, the narrow continuous cells which surround the utricles in the leaves of Sphagnum.
- To draw: said of muscles which abduct, adduct, or circumduct a part, such as the leg or the eye.
- n. A pipe, tube or canal which carries air or liquid from one place to another.
- n. An enclosure or channel for electrical cable runs.
- n. obsolete Guidance; direction.
- v. To channel something through a duct (or series of ducts)
GNU Webster's 1913
- n. Any tube or canal by which a fluid or other substance is conducted or conveyed.
- n. (Anat.) One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination.
- n. (Bot.) A large, elongated cell, either round or prismatic, usually found associated with woody fiber.
- n. obsolete Guidance; direction.
- n. a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
- n. an enclosed conduit for a fluid
- n. a continuous tube formed by a row of elongated cells lacking intervening end walls
- From Latin ductus, noun use of past participle of dūcere ("to lead, draw"). Compare douit. (Wiktionary)
- Latin ductus, act of leading, from past participle of dūcere, to lead; see deuk- in Indo-European roots. (American Heritage® Dictionary of the English Language, Fourth Edition)
“The duct of the seminal vesicle joins the _vas deferens_ of the same side (both functionally and embryologically the seminal vesicle is no more than a diverticulum of the vas deferens); passing on under the name of the _common seminal_ or _ejaculatory duct_, the canal opens into the prostatic portion of the urethra (the orifices of the two common seminal ducts are in the folds of mucous membrane forming the right and left lateral margins of the _prostatic utricle_ or _uterus masculinus_).”
“Or rulers with a rubber band ball wrapped in duct-tape and used as a crappy maces.”
“For example, recently the New York State Forensic Science Commission was asked to accredit a unit of a police lab in duct tape comparison.”
“However, if your common bile duct is obstructed then your stool may lose color or become what is called "acholic".”
“Cox said the most recent reported pirate sighting had been Aug. 31, when boaters saw gunmen riding a small skiff with "Game Wardin" misspelled in duct tape on the side of the vessel.”
“Just like the Palestinian charity organizer who "killed" himself by wrapping himself in duct tape and drowning.”
“In another incident that month, interrogators wrapped a bearded prisoner's head in duct tape "because he would not stop quoting the Koran,”
“A quad with a built-in duct tape dispenser is the ultimate cheap mod!”
“Your rig spontaneously collapses, you weld the pieces back together, wrap the whole thing in duct tape, and you get the hell back on.”
“Even if we've wrapped ourselves in duct tape, we can still eat cake. ...”
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