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

 

gluteus

 noun
noun
BrE BrE//ˈɡluːtiəs//
 
; NAmE NAmE//ˈɡluːtiəs//
 
, also NAmE//ɡluːˈtiəs//
 
(also gluteus muscle)(anatomy)
 
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any of the three muscles in each buttock Word Origin late 17th cent.: modern Latin, from Greek gloutos ‘buttock’.
See the Oxford Advanced American Dictionary entry: gluteus