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
tutelageinstruction especially of an individual
magnitudegreat size or extent
abetto actively second and encourage (something, such as an activity or plan)
entreethe act or manner of entering : entrance
pell-mellin mingled confusion or disorder
graciousmarked by kindness and courtesy
emulateto strive to equal or excel
downcastlow in spirit : dejected
recalcitrantobstinately defiant of authority or restraint
prolixityunduly prolonged or drawn out : too long