barricade
An obstruction to deter the passage of persons or vehicles.
General
barrel vault, barrel roof, cradle vault, tunnel vault, wagonhead vault, wagon vault
A masonry vault of plain, semicircular cross section, supported by parallel walls or arcades and adapted to longitudinal areas.
General
bar-type grating
An open grid assembly of metal bars in which the bearing bars (running in one direction) are spaced by rigid
General
barrel roof, barrel shell roof
1. A roof of semicylindrical section; capable of spanning long distances parallel to the axis of the cylinder. 2.A barrel
General
barreling, tumbling
The application of paint to small articles by tumbling them in a barrel containing paint.