barbette

Etymology
Borrowed from.

Noun

 * 1) A mound of earth or a platform in a fortification, on which guns are mounted to fire over the parapet.
 * 2)  The inside fixed trunk of a warship's gun-mounting, on which the turret revolves. It contains the hoists for shells and cordite from the shell-room and magazine.
 * 1)  The inside fixed trunk of a warship's gun-mounting, on which the turret revolves. It contains the hoists for shells and cordite from the shell-room and magazine.

Etymology
From.

Noun

 * 1)  small beard
 * 2)  cowl