crossruff

[ noun kraws-ruhf, -ruhf, kros-; verb kraws-ruhf, kros- ]
/ noun ˈkrɔsˌrʌf, -ˈrʌf, ˈkrɒs-; verb ˈkrɔsˈrʌf, ˈkrɒs- /
Bridge, Whist.

noun

a play in which each hand of a partnership alternately trumps a different suit in consecutive plays.

verb (used with or without object)

to play by means of a crossruff.

Origin of crossruff

First recorded in 1585–95; cross- + ruff2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for crossruff

crossruff

/ (ˈkrɒsˌrʌf) bridge whist /

noun

the alternate trumping of each other's leads by two partners, or by declarer and dummy

verb

(intr) to trump alternately in two hands of a partnership
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012