cog Hear it!

cog1 definition

cog (käg, kôg)

noun

    1. any of a series of teeth on the rim of a wheel, for transmitting or receiving motion by fitting between the teeth of another wheel; gear tooth
    2. a cogwheel
  2. ☆ a person or thing regarded as a minor but necessary part of the structure of an activity or organization

Etymology: ME cog, cogge < ? Scand, as in Norw kug, Swed kugge, a cog, tooth < IE *gugā a hump, ball < base *gēu-, to bend, arch > OE cycgel, cudgel

Related Forms:

cog2 definition

cog (käg, kôg)

noun

a projection on a beam that fits into a corresponding groove or notch in another beam, making a joint

Etymology: altered (infl. by cog) < earlier cock, to secure, prob. ult. < It cocca, a notch

transitive verb, intransitive verb cogged, cogging cog′·ging

to join by a cog or cogs
cog3 definition

cog (käg, kôg)

transitive verb cogged, cogging cog′·ging

to manipulate (dice) in a fraudulent manner

Etymology: prob. slang extension of cog

intransitive verb

Obsolete to cheat; swindle

noun

Obsolete a deception; trick
cog4 definition

cog or cogn

cognate

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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