pouter Meaning, Definition & Usage

  1. noun someone with a habitually sullen or gloomy expression
    gloomy Gus; picklepuss; sourpuss.
  2. noun one of a breed of pigeon that enlarge their crop until their breast is puffed out
    pouter pigeon.

WordNet

Pout"er noun
Definitions
  1. One who, or that which, pouts.
  2. Cf. E. pout, and G. puter turkey. (Zoöl.) A variety of the domestic pigeon remarkable for the extent to which it is able to dilate its throat and breast.

Webster 1913