mustang Meaning, Definition & Usage

  1. noun small hardy range horse of the western plains descended from horses brought by the Spanish

WordNet

Mus"tang noun
Etymology
Sp. musteño belonging to the graziers, strayed, wild.
Definitions
  1. (Zoöl.) The half-wild horse of the plains in Mexico, California, etc. It is small, hardy, and easily sustained.

Webster 1913