noun
rim lock
A type of lock mounted on the surface of a door or gate, as opposed to a mortise lock. Technical term used in hardware and construction contexts.
古い家の玄関には面付錠が付いていた。
The front door of the old house had a rim lock.
Compound of 面 (つら, 'surface') + 付け (つけ, 'attaching') + 錠 (じょう, 'lock'), literally 'surface-attached lock'.