Definition of mongoose noun from the Oxford Advanced American Dictionary

 

mongoose

 noun
noun
NAmE//ˈmɑŋɡus//
 
(pl. mongooses
NAmE//ˈmɑŋɡusəz//
 
)
 
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a small tropical animal with fur, that kills snakes, rats, etc.
See the Oxford Advanced Learner's Dictionary entry: mongoose