Meaning of LATCH in English

LATCH

/ lætʃ; NAmE / noun , verb

■ noun

1.

a small metal bar that is used to fasten a door or a gate. You raise it to open the door, and drop it into a metal hook to fasten it :

He lifted the latch and opened the door.

2.

( especially BrE ) a type of lock on a door that needs a key to open it from the outside :

She listened for his key in the latch.

IDIOMS

- on the latch

■ verb

[ vn ] to fasten sth with a latch

PHRASAL VERBS

- latch on (to sth) | latch onto sth

- latch on (to sb/sth) | latch onto sb/sth

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WORD ORIGIN

Old English læccan take hold of, grasp (physically or mentally) , of Germanic origin.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.