Dictionary

mastiff

noun mas·tiff \ˈmas-təf\

: a type of large, powerful dog

Full Definition of MASTIFF

:  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 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

Browse

3 ENTRIES FOUND:
Next Word in the Dictionary: mastigophoranPrevious Word in the Dictionary: mastic treeAll Words Near: mastiff
May 25, 2015
callithump Hear it
a noisy boisterous band or parade
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears