GRE Word List

COG

a tooth on the rim of a wheel or gear

The meaning of the word cog is a tooth on the rim of a wheel or gear.

Random words

WordMeaning
adaptto make fit (as for a new use) often by modification
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charlatanquack
understateto represent as less than is the case
abetto actively second and encourage (something, such as an activity or plan)
inveighto protest or complain bitterly or vehemently : rail
reparationa repairing or keeping in repair
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libertinea freethinker especially in religious matters
noveltysomething new or unusual