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Definition of latch


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latch  audio  (lch) KEY  

NOUN:
  1. A fastening, as for a door or gate, typically consisting of a bar that fits into a notch or slot and is lifted from either side by a lever or string.
  2. A spring lock, as for a door, that is opened from the outside by a key.
VERB:
latched , latch·ing , latch·es
VERB:
tr.
To close or lock with or as if with a latch.
VERB:
intr.
  1. To have or be closed with a latch.
  2. To shut tightly so that the latch is engaged: a door too warped to latch.

IDIOM:
latch on to /onto
To get hold of; obtain: latched on to a fortune in the fur trade.

ETYMOLOGY:
Middle English latche, from lacchen, to seize, from Old English læccan


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The American Heritage® Dictionary of the English Language, Fourth Edition.
Copyright © 2000 by Houghton Mifflin Company.
Published by the Houghton Mifflin Company. All rights reserved.
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