D defs.my
Entry 1 sense Webster, 1913

Barbette

/bär-bĕt'/ · Bar·bette · IPA /bɑːˈbɛt/
01 n. A mound of earth or a platform in a fortification, on which guns are mounted to fire over the parapet.
  1. 1.
    A mound of earth or a platform in a fortification, on which guns are mounted to fire over the parapet.(Fort.)
Phrases & compounds
En barbette — said of guns when they are elevated so as to fire over the top of a parapet, and not through embrasures.
Barbette gun — a single gun, or a number of guns, mounted in barbette, or partially protected by a parapet or turret.
Barbette carriage — a gun carriage which elevates guns sufficiently to be in barbette. [See Illust. of Casemate.]