cross·ruff (krôs'rŭf', -rŭf', krŏs'-) n. A series of plays in games of the whist family in which partnership hands alternately trump suits led by the other partner. v.
cross·ruffed, cross·ruff·ing, cross·ruffs
v.
intr. To perform a crossruff or a series of crossruffs. v.
tr. To trump (one's partner's lead or a lead from the dummy) in alternating plays.