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cog 1

 (kŏg, kôg)
1. 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.
2. A cogwheel.
3. A subordinate member of an organization who performs necessary but usually minor or routine functions.

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

cogged adj.

cog 2

 (kŏg, kôg)
v. cogged, cog·ging, cogs
To load or manipulate (dice) fraudulently.
To cheat, especially at dice.
An instance of cheating; a swindle.

[Origin unknown.]

cog 3

 (kŏg, kôg)
A tenon projecting from a wooden beam designed to fit into an opening in another beam to form a joint.
tr.v. cogged, cog·ging, cogs
To join with tenons.

[Alteration (influenced by cog) of cock, to join with tenons.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.cogged - having cogs; "a cogged wheel"
toothed - having teeth especially of a certain number or type; often used in combination; "saw-toothed"
References in classic literature ?
I thought to find one stubborn, at the least; but my one cogged circle fits into all their various wheels, and they revolve.
Jerry remembered another high-grass adventure, when he and his brother Michael had fought Owmi, another black distinguishable for the cogged wheels of an alarm clock on his chest.
Since the 19th century, biologists have known that crocodilians have cogged teeth made of connective tissue.