A stoat is a small, thin, wild animal that has brown fur. Some stoats that live in northern Europe have fur that turns white in winter.
stoat in British English
(stəʊt)
noun
a small Eurasian musteline mammal, Mustela erminea, closely related to the weasels, having a brown coat and a black-tipped tail: in the northern parts of its range it has a white winter coat and is then known as an ermine
Word origin
C15: of unknown origin
stoat in American English
(stoʊt)
nounWord forms: pluralstoats or stoat
a large European ermine (Mustela erminea), esp. in its brown summer coat