cog: Meaning and Definition of

cog

1. (not in technical use) a gear tooth, formerly esp. 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.

1. (of an electric motor) to move jerkily.

1. to roll or hammer (an ingot) into a bloom or slab.
2. to make a blunder; err: One of the clerks must have slipped a cog.

cog

1. to manipulate or load (dice) unfairly.

1. to cheat, esp. at dice.

cog

1. (in a cogged joint) the tongue in one timber, fitting into a corresponding slot in another.
2. a cluster of timber supports for a roof. Cf. chock (def. 4).

1. to join with a cog.

cog.

1. cognate.