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

 

ballboy

 noun
noun
BrE BrE//ˈbɔːlbɔɪ//
 
; NAmE NAmE//ˈbɔːlbɔɪ//
 
Tennis
 
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a boy who picks up the balls for the players in a tennis match see also ballgirl See related entries: Tennis