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mortise lock

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ˈmortise lock noun [countableC] British EnglishBrE  
DTa strong lock that fits into a hole cut in the edge of a door 〔嵌入门里的〕榫眼锁，插锁，嵌锁 SYN American English dead bolt →5 see picture at 见图 lock2
Examples from the Corpus
mortise lock• It had a mortise lock, a simple keyhole and no key.• Fit a five-lever mortise lock to the back door, or supplement the existing lock with a mortise deadlock.
Origin mortise lock
(1700-1800) mortise “hole made for a part to fit into” ((14-21 centuries)), from Old French, probably from Arabic murtaj “locked”
ˈmortise lock noun
Chinese
Syllable
Corpus

See also: mortise lock

mortise lock
Types of locks and bolts: bolt, catch, combination lock...

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