Chinch (?), n. [Cf. Sp. chinche, fr. L. cimex.] 1. (Zoöl.) The bedbug (Cimex lectularius).
2. (Zoöl.) A bug (Blissus leucopterus), which, in the United States, is very destructive to grass, wheat, and other grains; — also called chiniz, chinch bug, chink bug. It resembles the bedbug in its disgusting odor.