Cog



[kog, kawg] /kɒg, kɔg/

noun
1.
(not in technical use) a gear tooth, formerly especially one of hardwood or metal, fitted into a slot in a gearwheel of less durable material.
2.
a .
3.
a person who plays a minor part in a large organization, activity, etc.:
He’s just a small cog in the financial department.
verb (used without object), cogged, cogging.
4.
(of an electric motor) to move jerkily.
verb (used with object), cogged, cogging.
5.
to roll or hammer (an ingot) into a bloom or slab.
Idioms
6.
slip a cog, to make a blunder; err:
One of the clerks must have slipped a cog.
[kog, kawg] /kɒg, kɔg/
verb (used with object), cogged, cogging.
1.
to manipulate or load (dice) unfairly.
verb (used without object), cogged, cogging.
2.
to cheat, especially at dice.
[kog, kawg] /kɒg, kɔg/
noun
1.
Carpentry. (in a cogged joint) the tongue in one timber, fitting into a corresponding slot in another.
2.
Mining. a cluster of timber supports for a roof.
Compare (def 4).
verb (used with or without object), cogged, cogging.
3.
Carpentry. to join with a cog.
1.
.
/kɒɡ/
noun
1.
any of the teeth or projections on the rim of a gearwheel or sprocket
2.
a gearwheel, esp a small one
3.
a person or thing playing a small part in a large organization or process
verb cogs, cogging, cogged
4.
(transitive) (metallurgy) to roll (cast-steel ingots) to convert them into blooms
/kɒɡ/
verb cogs, cogging, cogged
1.
(slang) to cheat (in a game, esp dice), as by loading a dice
/kɒɡ/
noun
1.
a tenon that projects from the end of a timber beam for fitting into a mortise
verb cogs, cogging, cogged
2.
(transitive) to join (pieces of wood) with cogs
n.

c.1300, “cog wheel;” late 14c., “tooth on a wheel,” probably a borrowing from a Scandinavian language (cf. Norwegian kugg “cog”) and cognate with Middle High German kugel “ball.”
cognate
In addition to the idiom beginning with cog

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