1719 D. Defoe 28 Having no Sails..but a main Course, and a kind of square Sail upon a Jury Fore-mast.
1748 B. Robins & R. Walter iii. i. 297 We saw her main-top mast, which had hitherto served her as a jury main-mast, share the same fate.
1836 F. Marryat III. i. 7 Before the day was over, a jury-foremast had been got up.