crossjack

[kraws-jak, kros-; Nautical kraw-jik, kroj-ik]

noun Nautical.

the lowermost square sail set on the mizzenmast of a ship or of a bark with four or more masts; mizzen course.

Origin of crossjack

First recorded in 1620–30; cross- + jack¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for crossjack

Historical Examples of crossjack

In comes the brace till the trim suits the mate, when he calls out 'Turn the crossjack brace!'
All Afloat
William Wood

British Dictionary definitions for crossjack

crossjack

noun

nautical a square sail on a ship's mizzenmast

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