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Definition of mongoose
: any of numerous long slender carnivorous mammals (family Herpestidae) chiefly of Africa and southern Europe and Asia that are usually ferret-sized agile mammals typically with nonretractile sharp claws, short legs, long tail, and usually brownish or grayish fur sometimes with bands or stripes
Note: Mongooses feed chiefly on small animals (such as insects, earthworms, birds, snakes, and rodents) and are sometimes grouped with the viverrids in two subfamilies (Herpestinae and Galidiinae).
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The first known use of mongoose was in 1673
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