stoat Meaning, Definition & Usage

  1. noun the ermine in its brown summer coat with black-tipped tail

WordNet

Stoat noun
Etymology
OE. stot a stoat, horse, bullock; perhaps originally only of male animals, and akin to D. stooten to push, E. stutter; cf. Icel. sttr a bull, Sw. stut a bullock. Cf. Stot.
Definitions
  1. (Zoöl.) The ermine in its summer pelage, when it is reddish brown, but with a black tip to the tail. The name is sometimes applied also to other brown weasels.

Webster 1913