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
optionalinvolving an option : not compulsory
demeanto lower in character, status, or reputation
maculatedmarked with spots : blotched
irremediablenot remediable
impiousnot pious : lacking in reverence or proper respect (as for God or one's parents) : irreverent
siblingsib
derivationthe formation of a word from another word or base (as by the addition of a usually noninflectional affix)
reverentexpressing or characterized by reverence : worshipful
supplecompliant often to the point of obsequiousness
canarda false or unfounded report or story