General

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

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

A metal plate on a doorframe into which the bolt of a door lock projects, and which provides a complete

A stool with a compartment beneath a hinged lid or seat.