gun-money

Century Dictionary and Cyclopedia

1. n. Money of the coinage issued by James II. in Ireland when he attempted to recover his kingdom in 1689 and 1690. To obtain a sufficient supply of money, James issued coins nominally of the value of 5s., 2s. 6d., 1s., and 6d.; but they were made of the metal from brass cannon and kitchen utensils of copper and brass.
2. n. Prize-money, reckoned at so much per gun, given to the captors of an enemy's ship of war that had been destroyed or deserted in fight. Admiral Smyth, Sailor's Word-book.