—n.krôs'ruf", -ruf', kros'-;
—v.krôs'ruf', kros'-), [key] Bridge, Whist.
a play in which each hand of a partnership alternately trumps a different suit in consecutive plays.
to play by means of a crossruff.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.