mastiff

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noun mas·tiff \ˈmas-təf\

Definition of mastiff

  1. :  any of a breed of very large massive powerful smooth-coated dogs that are apricot, fawn, or brindle and are often used as guard dogs

Illustration of mastiff

Origin and Etymology of mastiff

Middle English mastif, from Medieval Latin mastivus, from Vulgar Latin *masuetivus, from Latin mansuetus tame — more at mansuetude


First Known Use: 14th century


MASTIFF Defined for English Language Learners

mastiff

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noun mas·tiff \ˈmas-təf\

Definition of mastiff for English Language Learners

  • : a type of large, powerful dog


MASTIFF Defined for Kids

mastiff

play
noun mas·tiff \ˈma-stəf\

Definition of mastiff for Students

  1. :  a very large powerful dog with a smooth coat


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