n. Mustela erminea, the ermine or short-tailed weasel, a mustelid native to Eurasia and North America, distinguished from the least weasel by its larger size and longer tail with a prominent black tip.
the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. The ermine, Putorius erminea, and other members of that genus when not specified by distinctive names. See ermine, weasel, mink, fitchew, polecat, ferrer.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the ermine in its brown summer coat with black-tipped tail
Word Usage
"She was brought up in the country, rides well (side-saddle), plays a goodish game of tennis, but does not know a stoat from a weasel or notice the direction of the wind."