Category: General

Abbr. for “beveled plate glass.”

1. On drawings, abbr. for blueprint. 2. On drawings, abbr. for baseplate. 3. On drawings, abbr. for bearing pile.

A wrench, usually double-ended, that has a closed socket which fits over the head of a bolt or a nut.

A fine-grained, very hard, dense wood, white to light yellow in color; esp. used for turned work and inlay.

A staircase whose entrance is concealed behind a door next to a fireplace; sometimes architecturally balanced by a pantry door on the opposite side of the fireplace; often found …

To encase with boards, as in the nailing of sheathing boards over studs.

Same as union, 1.

Same as a close string.

A metal plate on a doorframe into which the bolt of a door lock projects, and which provides a complete housing that protects the bolt opening from tampering.

A high stoop making a quarter turn, reached by a flight of stairs along a building front.