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English definition of “buck”

buck

noun [C]     /bʌk/
MONEY US informal a dollar : It cost me twenty bucks to get a new bike lock.North American moneyInformal words for money
ANIMAL a male rabbit or deerNames for the male and female of animalsDeer and antelopeWild mammalsHumans, apes and monkeysFelines (cats)Canines (dogs)Deer and antelopeRodents and similar animalsMarine mammals
(Definition of buck noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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