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latch

1 noun
     
latch
Related topics: Daily Life
latch1 [countable]
1D a small metal or plastic object used to keep a door, gate, or window closed:
Gwen lifted the latch and opened the gate.
2 especially British EnglishD a type of lock for a door that you can open from the inside by turning a handle, but that you need a key to open from the outside
on the latch (=shut but not locked)
Ray went out, leaving the door on the latch.

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