Pygmy chimpanzee Meaning, Definition & Usage

  1. noun small chimpanzee of swamp forests in Zaire; a threatened species
    Pan paniscus; bonobo.

WordNet

Definitions
  1. a species of anthropoid ape (Pan paniscus) resembling the chimpanzee, but somewhat smaller; also called bonobo. It is considered (1996) as having the closest genetic relationship to humans of any other animal. It is found in forests in Zaire, and is an endangered species.

Webster 1913