A valve or tap for the drainage of accumulated fluid from musical instruments such as trombones or trumpets; a spit valve.

(computing) A key on a computer keyboard that can be used to cancel an operation.

(computing) A special key on some kinds of keyboard, used to activate keyboard shortcuts.

Alternative spelling of key money

(architecture) To raise (the whole ring of an arch) off its centering, by driving in the keystone forcibly. / (music) To raise the pitch of. / (figuratively) To produce nervous tension in.

A payment required by a landlord or agent before accessing rented property.

A tool used to extract teeth by a motion resembling that of turning a key.

A bolt which has a mortise near the end, and is secured by a cotter or wedge instead of a nut.

An adjustable wrench in which the movable jaw is made fast by a key.

A picklock.