名詞 ermine:

1. the expensive white fur of the ermine
2. mustelid of northern hemisphere in its white winter coat
   同義詞：shorttail weasel, Mustela erminea

er.mine

n.（名詞）
A weasel(Mustela erminea) of northern regions, having a black-tipped tail and dark brown fur that in winter changes to white.
白鼬：北部地區(qū)的一種鼬（白鼬 鼬屬） ，尾部為黑色，深棕色皮毛在冬天變白
The commercially valuable white fur of this animal.
白鼬皮：這種動物具有商業(yè)價值的白色皮毛

來源：
Middle English ermin
中古英語 ermin
from Old French ermine
源自 古法語 ermine
[possibly of Germanic origin]
[也許由日爾曼語演變而來]
or from Medieval Latin (môs) Armenius [Armenian (mouse)]
或源自 中世紀拉丁語 (môs) Armenius [亞美尼亞的（鼠）]