BALL n.
e. -- Ball valve (Mach.), a contrivance by which a ball, placed in a circular cup with a hole in its bottom, operates as a valve. -- Ball vein (Mining), a sort of iron ore, found in loose masses of a globular form, containing sparkling particles. -- Three balls, or Three golden balls, a pawnbroker's sign or shop.…
BATTERY n.
attery. See Barbette. -- Battery d'enfilade, or Enfilading battery, one that sweeps the whole length of a line of troops or part of a work. -- Battery en écharpe, one that plays obliquely. -- Battery gun, a gun capable of firing a number, of shots simultaneously or successively without stopping to load. -- Battery…
BAY n.
A principal compartment of the walls, roof, or other part of a building, or of the whole building, as marked off by the buttresses, vaulting, mullions of a window, etc.; one of the main divisions of any structure, as the part of a bridge between two piers.