mortise lock

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ˈmortise lock noun [countable] British English  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 nounChineseSyllable  

in the strong that hole Corpus into cut fits lock a a

mortise lock
ˈmortise lock noun [countable] British Englisha strong lock that fits into a hole cut in the edge of a door
   SYN  dead bolt American English

mortise lockBrE /ˈmɔːtɪs lɒk/ 🔊NAmE /ˈmɔːrtɪs lɑːk/ 🔊 nouna lock that is fitted inside a hole cut into the edge of a door, not one that is screwed into the surface of one side 插锁；暗锁