A player of racquetball.
(uncountable) A certain sport, similar to squash, but played with a bigger ball.
(countable) A ball used for this sport.
the ball used in playing the game of racquetball
a game played on a handball court with short-handled rackets
Racquetball is a racquet sport played with a hollow rubber ball on an indoor or outdoor court. Joseph Sobek is credited with inventing the modern sport of racquetball in 1950, adding a stringed racquet to paddleball in order to increase velocity and control.