Definition of orotund adjective from the Oxford Advanced Learner's Dictionary

 

orotund

 adjective
adjective
BrE BrE//ˈɒrətʌnd//
 
; NAmE NAmE//ˈɔːrətʌnd//
 
(formal)
 
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(of the voice or the way something is said) using full and impressive sounds and language Word Origin late 18th cent.: from Latin ore rotundo ‘with rounded mouth’.
See the Oxford Advanced American Dictionary entry: orotund