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
ornithologista branch of zoology dealing with birds
arduoushard to accomplish or achieve : difficult
wardthe action or process of guarding
incontrovertiblenot open to question : indisputable
aspireto seek to attain or accomplish a particular goal
anthropologistthe science of human beings
distinctdistinguishable to the eye or mind as being discrete (see discrete
paupera person destitute of means except such as are derived from charity
chicanerydeception by artful subterfuge or sophistry : trickery
vitreousresembling glass (as in color, composition, brittleness, or luster) : glassy