mortise lock

noun

noun

A lock that requires a mortise (a pocket or inset) to be cut into the edge of the door or piece of furniture into which the lock is to be fitted.

No wonder they broke in, sir: Fake alarm system, single mortise lock on the door, windows that don't close properly...2000 February 5, Douglas Watkinson & al., "Beyond the Grave", Midsomer Murders

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.