barbette,
n. [F. Cf.
Barbet.].
A mound of earth or a platform in a fortification, on which guns are mounted to fire over the parapet. [1913 Webster]
En barbette, In barbette, said of guns when they are elevated so as to fire over the top of a parapet, and not through embrasures. -- Barbette gun, or Barbette battery, 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.]