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

  • n. 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.
  • n. A cogwheel.
  • n. A subordinate member of an organization who performs necessary but usually minor or routine functions.
  • transitive v. To load or manipulate (dice) fraudulently.
  • intransitive v. To cheat, especially at dice.
  • n. An instance of cheating; a swindle.
  • n. A tenon projecting from a wooden beam designed to fit into an opening in another beam to form a joint.
  • transitive v. To join with tenons.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A ship of burden, or war with a round, bulky hull.
  • n. A tooth on a gear
  • n. A gear; a cogwheel
  • n. An unimportant individual in a greater system.
  • n. 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.
  • n. An act of cogging.
  • v. to cheat at dice
  • v. to cheat; to play or gamble fraudulently
  • n. A small fishing boat

from the GNU version of the Collaborative International Dictionary of English

  • n. A trick or deception; a falsehood.
  • n. 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.
  • n.
  • n. 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.
  • n. A tenon in a scarf joint; a coak.
  • n. One of the rough pillars of stone or coal left to support the roof of a mine.
  • n. A small fishing boat.
  • intransitive v. To deceive; to cheat; to play false; to lie; to wheedle; to cajole.
  • transitive v. To seduce, or draw away, by adulation, artifice, or falsehood; to wheedle; to cozen; to cheat.
  • transitive v. To obtrude or thrust in, by falsehood or deception; ; to palm off.
  • transitive v. To furnish with a cog or cogs.

from The Century Dictionary and Cyclopedia

  • 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.
  • 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.
  • n. A small boat; a cockboat; a cock.
  • n. A trading-vessel; a galley; a ship in general.
  • n. 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.
  • n. A mill-wheel; a cog-wheel.
  • n. In mining, same as chock, 4.
  • n. The short handle of a scythe.
  • n. A kind of notch used in tailing joists or wall-plates.
  • n. A circular wooden vessel used for holding milk, broth, etc.
  • n. A measure used at some mills, containing the fourth part of a peck.
  • n. Intoxicating liquor.
  • n. A trick or deception.
  • n. plural Loaded dice.

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

  • v. roll steel ingots
  • n. a subordinate who performs an important but routine function
  • n. tooth on the rim of gear wheel
  • v. join pieces of wood with cogs


Middle English cogge, probably of Scandinavian origin; akin to Swedish kugg, kugge.
Origin unknown.
Alteration (influenced by cog1) of cock, to join with tenons.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Uncertain origin. Both verb and noun appear first in 1532. (Wiktionary)
From Old English cogge (Wiktionary)



Log in or sign up to get involved in the conversation. It's quick and easy.

  • 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