Obs. rare. In 7 quoyn-. [f. QUOIN v. + -ER.] A wedge used to secure a gun.
1669. Sturmy, Mariners Mag., V. 64. In Ships. If the Ropes be suspected not to be good, they nail down Quoyners to the Fore-Trucks of heavy Guns, that he may not have any play; and if Britchings, and Tackles, and Quoyners should give way in foul weather, presently dismount her.