Definitions for racquetballˈræk ɪtˌbɔl
Random House Webster's College Dictionary
a game similar to handball, played with rackets on a four-walled court.
Origin of racquetball:
the ball used in playing the game of racquetball
a game played on a handball court with short-handled rackets
A certain sport, similar to squash, but played with a bigger ball.
A ball used for this sport.
Origin: From racquet + ball.