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Definition of mastiff noun from the Oxford Advanced Learner's Dictionary

mastiff

noun
 
/ˈmæstɪf/
 
/ˈmæstɪf/
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  1. a large, strong dog with short hair see also bull mastiffTopics Animalsc2
    Word OriginMiddle English: from Old French mastin, based on Latin mansuetus ‘tame’.
See mastiff in the Oxford Advanced American Dictionary
Check pronunciation: mastiff

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trait
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