Chinch (?), n. [Cf. Sp. chinche, fr. L. cimex.]
The bedbug (Cimex lectularius).
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.
© Webster 1913.