noun: (figuratively) An instance of figuratively bouncing something or someone back and forth.
noun: (UK politics) The exchange of proposed amendments between the two Houses of Parliament, particularly at the end of a session when compromises have to be made to complete the legislative process within the limited time available.
noun: (dated) A size of photograph a little larger than a postage stamp.
noun: (music) A small, shallow steelpan drum.
verb: (transitive, intransitive) To figuratively bounce or be bounced back and forth.
verb: (transitive, medicine) To refer (a patient) unnecessarily to a number of clinics or practitioners as a form of fraud.
verb: (intransitive) To play the game of ping pong.