Cŏck'rōach, n.

noun

n. (Entom.) An insect of several species of the genus Blatta, especially the B. orientalis. It has a long, flattish body, with large, thin wing-cases, and is very troublesome, infesting houses and ships. Baird.

An illustration of a cockroach with an inset showing its larva.
Cockroach.