Definition of latch noun from the Oxford Advanced Learner's Dictionary

     

    latch

     noun
    noun
    BrE BrE//lætʃ//
     
    ; NAmE NAmE//lætʃ//
     
     
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  1. 1a 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. 2(especially British English) 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.
  3. Word Origin Old English læccan ‘take hold of, grasp (physically or mentally)’, of Germanic origin.Extra examples Leave the door on the latch. She lifted the latch and went into the garden. She tried the latch, but the door wouldn’t open.Idioms (British English) closed but not locked Can you leave the door on the latch so I can get in?
See the Oxford Advanced American Dictionary entry: latch

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