I looked, and saw a corposant, as it is called at sea, -- a St. Elmo's fire, -- burning at the end of the crossjack-yard.    From Wordnik.com.  [Stories by English Authors: the Sea] Reference

Basseterre, and another French seaman, who was with him in the crossjack yard, having come down from aloft to our assistance.    From Wordnik.com.  [The Ghost Ship A Mystery of the Sea] Reference

Meanwhile, the commander had stationed lookout men on the crossjack yard and mizzen top, as well as in the weather rigging, to seek for any trace of the poor fellow.    From Wordnik.com.  [Crown and Anchor Under the Pen'ant] Reference

When this jigger was abolished the sail retained its lateen shape, got on to the mainmast, and became what we may call a main crossjack, thereby rendering a square mainsail impossible.    From Wordnik.com.  [Golden Days for Boys and Girls, Vol. XIII, Nov. 28, 1891] Reference

"There's that bloomin 'compreesant come again!" exclaimed a hoarse voice; and, sure enough, a light similar to the one that had hung at the crossjack yard-arm now floated upon the end of the upper maintopsail-yard.    From Wordnik.com.  [Stories by English Authors: the Sea] Reference

The sails on the lower yards are the foresail, mainsail and crossjack, or, as they are often called, fore-course, main-course and mizzen-course -- the course being the sail, just as a sheet is a rope and not a piece of canvas.    From Wordnik.com.  [Golden Days for Boys and Girls, Vol. XIII, Nov. 28, 1891] Reference

When the crossjack was replaced by a gaff, the larger vessels started the square mainsail, and became "brigs," while the smaller kept the spanker as their mainsail, and became "brigantines," so that a genuine old brigantine is a brig without a square mainsail.    From Wordnik.com.  [Golden Days for Boys and Girls, Vol. XIII, Nov. 28, 1891] Reference

From his place on the crossjack-yard, to which Mr. Fant sent him.    From Wordnik.com.  [Those Who Smiled And Eleven Other Stories] Reference

The crossjack, of course, had been furled some time, with the wind being plumb aft.    From Wordnik.com.  [The Ghost Pirates: Chapter 14] Reference

His voice rings out: 'Weather crossjack brace!' which means hauling the lowest and aftermost square sail more to windward.    From Wordnik.com.  [All Afloat A Chronicle of Craft and Waterways] Reference

'Weather crossjack brace!' sings out the timekeeper, whose duty it is to rouse the watch as well as strike the bells that mark the hours and halves.    From Wordnik.com.  [All Afloat A Chronicle of Craft and Waterways] Reference

"raise tacks and sheets!" and the fore-tacks and main sheets were cast off; while the weather crossjack braces and the lee main braces were belayed, ready to be let go at a moment's notice, and the opposite braces hauled taut.    From Wordnik.com.  [The Wreck of the Nancy Bell Cast Away on Kerguelen Land] Reference

This lateen was the crossjack.    From Wordnik.com.  [Golden Days for Boys and Girls, Vol. XIII, Nov. 28, 1891] Reference

On the mainmast we have, beginning below, main-yard, lower maintopsail-yard, upper maintopsail-yard, lower maintopgallantsail-yard, upper maintopgallantsail-yard, main royal-yard and skysail-yard; on the foremast we have the fore-yard, then the topsail-yards, topgallantsail-yards and royal; and on the mizzenmast we have a similar series of yards, beginning with the mizzen or crossjack.    From Wordnik.com.  [Golden Days for Boys and Girls, Vol. XIII, Nov. 28, 1891] Reference