chinch Meaning, Definition & Usage

  1. noun bug of temperate regions that infests especially beds and feeds on human blood
    bed bug; Cimex lectularius; bedbug.

WordNet

Chinch noun
Etymology
Cf. Sp. chinche, fr. L. cimex.
Definitions
  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.

Webster 1913