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

 

aficionado

 noun
noun
BrE BrE//əˌfɪʃəˈnɑːdəʊ//
 
; NAmE NAmE//əˌfɪʃəˈnɑːdoʊ//
 
(pl. aficionados)
 
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a person who likes a particular sport, activity or subject very much and knows a lot about it a ballet aficionado/an aficionado of ballet This coffee is regarded by aficionados as one of the world’s finest. He’s an aficionado of the history of the game. Jazz aficionados gathered at the Hollywood Bowl last night for a tribute concert. Word Origin mid 19th cent. (denoting a devotee of bullfighting): from Spanish, ‘amateur’, past participle of aficioner ‘become fond of’ used as a noun, based on Latin affectio(n-) ‘(favourable) disposition towards’, from afficere ‘to influence’, from ad- ‘at, to’ + facere ‘do’.
See the Oxford Advanced American Dictionary entry: aficionado