Pronunciation: (kok'rōch"), [key]
any of numerous orthopterous insects of the family Blattidae, characterized by a flattened body, rapid movements, and nocturnal habits and including several common household pests. Also called roach. Cf. American cockroach, German cockroach, oriental cockroach.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.