'Stoat' definitions:
Definition of 'stoat'
From: WordNet
noun
The ermine in its brown summer coat with black-tipped tail
Definition of 'Stoat'
From: GCIDE
- Stoat \Stoat\, n. [OE. stot a stoat, horse, bullock; perhaps originally only of male animals, and akin to D. stooten to push, E. stutter; cf. Icel. st?tr a bull, Sw. stut a bullock. Cf. Stot.] (Zool.) 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. [1913 Webster]