a variety of tennis played indoors on a specially constructed court having high cement walls off which the ball may be played, points being made chiefly by stroking the ball into any of three openings in the walls of the court. Cf. penthouse (def. 7), tambour (def. 7), winning opening. See illus. under racket.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.