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



BrE BrE//bəˈbuːn//
; NAmE NAmE//bæˈbuːn//
Wild mammals
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a large African or Asian monkey with a long face like a dog’s See related entries: Wild mammals Word OriginMiddle English (denoting a grotesque figure used in architecture): from Old French babuin or medieval Latin babewynus, perhaps from Old French baboue ‘muzzle, grimace’.
See the Oxford Advanced American Dictionary entry: baboon