racquetball /ˈrækətˌbɑːl/ noun plural racquetballs
plural racquetballs
Learner's definition of RACQUETBALL
1
[noncount] : a game played on a court with four walls by two or four players who use rackets to hit a soft ball against the walls壁球(运动或比赛) 2
[count] : the ball that is used in racquetball壁球(用球)