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English definition of “weasel”

weasel

noun [C]     /ˈwiːzəl/
a small animal with a long body that kills and eats other small animalsWild mammalsHumans, apes and monkeysFelines (cats)Canines (dogs)Deer and antelopeRodents and similar animalsMarine mammals
(Definition of weasel noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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