Barrel-vaulting.—See Waggon-head vaulting.
Barge-board (or Verge-board).—An inclined and pierced or ornamented board placed along the edge of a roof when it overhangs a gable wall.
Base.—(1) The foot of a column; (2) sometimes that of a buttress or wall.
Fig. g.—Base of Early English Shaft.
Fig. h.—Base of Perpendicular Shaft.