cog1

[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 cogwheel.
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.
Origin
1200-50; Middle English cogge, probably < Scandinavian; compare Swedish, Norwegian kugg cog

cog2

[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.
Origin
1525-35; origin uncertain

cog3

[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 chock (def 4).
verb (used with object), verb (used without object), cogged, cogging.
3.
Carpentry. to join with a cog.
Origin
1855-60; special use of cog1; replacing cock in same sense, special use of cock1 (in sense of projection); see coak

cog.

1.
cognate.
Examples from the web for cog
  • Because of public transportation, such as a cog railway, getting there is part of the fun.
  • In the new organization, the worker is no longer a cog in the machine but is an intelligent part of the overall process.
  • If necessary, try yoga, or cog therapy to keep the physiological responses at healthy levels.
  • One of the steepest cog railways and a breathtaking tram ride over the gorge are exciting and wonderful for anyone.
  • Poke it in the hole on the cog side of the hub, turn the screw inside a few revolutions, and the hub locks down.
  • Tricky ascents are conquered by cable car, gondola, and cog train.
  • You're a tiny cog in the capitalist machine that's destroying the planet-and your own soul.
  • Doing science is being a small cog in a giant wheel.
  • When this doesn't work, he presents himself as a small cog and puts all the blame on others, subordinates as well as superiors.
  • When the gas giants of our system are together on the same side of their solar orbits, the sun moves away from the cog.
British Dictionary definitions for cog

cog1

/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
Word Origin
C13: of Scandinavian origin; compare Danish kogge, Swedish kugge, Norwegian kug

cog2

/kɒɡ/
verb cogs, cogging, cogged
1.
(slang) to cheat (in a game, esp dice), as by loading a dice
Word Origin
C16: originally a dice-playing term, of unknown origin

cog3

/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
Word Origin
C19: of uncertain origin
Word Origin and History for cog
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."

Related Abbreviations for cog

cog.

cognate
Idioms and Phrases with cog

cog

In addition to the idiom beginning with cog also see: slip a cog