Topic: DAILY LIFE
| Date: | 1700-1800 |
| Origin: | mortise 'hole made for a part to fit into' (14-21 centuries), from Old French, probably from Arabic murtaj 'locked' |
| |||||||||
mortise lock [countable] British English
DT a strong lock that fits into a hole cut in the edge of a door [= dead bolt American English]

