ultimate frisbee

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A non-contact competitive team sport played with a 175 gram flying disc, the object of which is to score points by passing the disc to a player in the opposing end-zone.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a game between two teams whose players try to toss a Frisbee to one another until they cross the opponents goal; possession changes hands when the Frisbee is intercepted or touches the ground or goes out of bounds