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

 

butte

 noun
noun
BrE BrE//bjuːt//
 
; NAmE NAmE//bjuːt//
 
(especially North American English)
 
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a hill that is flat on top and is separate from other high ground Word Origin mid 19th cent.: from French, ‘mound’, from Old French but, of unknown origin.
See the Oxford Advanced American Dictionary entry: butte