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
trilogya series of three dramas or literary works or sometimes three musical compositions that are closely related and develop a single theme
ratifyto approve and sanction formally : confirm
dotagea state or period of senile decay marked by decline of mental poise and alertness
amuleta charm (such as an ornament) often inscribed with a magic incantation or symbol to aid the wearer or protect against evil (such as disease or witchcraft)
asunderinto parts
crescendoa gradual increase
dilettantea person having a superficial interest in an art or a branch of knowledge : dabbler
surlymenacing or threatening in appearance
nursea person who cares for the sick or infirm
revileto subject to verbal abuse : vituperate