barbette.
1. f. Mar. Piece of meollar or filástica.
2. f. Mil. Piece of parapet, ordinarily at the corners of a bastion, designed to pull the artillery exposed.
1. loc. adj. Mil. Said of a fortification: whose parapet has no pockets or crenelations, or covers the Gunners. U t. c. loc. Advisor.
and the artillery: placed on this type of fortification.