English

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

 

fellatio

 noun
noun
BrE BrE//fəˈleɪʃiəʊ//
 
; NAmE NAmE//fəˈleɪʃioʊ//
 
[uncountable] (formal)
 
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the practice of touching a man’s penis with the tongue and lips to give sexual pleasure Word Origin late 19th cent.: modern Latin, from Latin fellare ‘to suck’.