Webster's Revised Unabridged Dictionary · 1913

Cog

Cog (kog) , transitive verb

[Compare Welsh coegio to make void, to beceive, from coeg empty, vain, foolish. Compare Coax, transitive verb]

1.
To seduce, or draw away, by adulation, artifice, or falsehood; to wheedle; to cozen; to cheat. [Rare]
I'll... cog their hearts from them. — Shakespeare
2.
To obtrude or thrust in, by falsehood or deception; as, to cog in a word; to palm off. [Rare]
Fustian tragedies... have, by concerted applauses, been cogged upon the town for masterpieces. — J. Dennis
To cog a die, to load so as to direct its fall; to cheat in playing dice. — Swift

Cog , intransitive verb

To deceive; to cheat; to play false; to lie; to wheedle; to cajole.
For guineas in other men's breeches, Your gamesters will palm and will cog. — Swift

Cog , noun

A trick or deception; a falsehood. — Wm. Watson

Cog , noun

[Compare Swedish kugge a cog, or Welsh cocos the cogs of a wheel.]

1.
(Mechanics) 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.
2.
(a) (Carpentry) 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.
(b)
(Carpentry) A tenon in a scarf joint; a coak. — Knight
3.
(Mining) One of the rough pillars of stone or coal left to support the roof of a mine.

Cog , transitive verb

To furnish with a cog or cogs.
Collocations (1)
Cogged breath sound (Auscultation) , a form of interrupted respiration, in which the interruptions are very even, three or four to each inspiration. — Quain

Cog , noun

[Old English cogge; compare Dutch kog, Icelandic kuggr Compare Cock a boat.]

A small fishing boat. — Ham. Nav. Encyc