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   latch

   /latʃ/

   noun

   • 1. a metal bar with a catch and lever used for fastening a door or gate: "lifting the latch, she pushed the gate open"
   • ▪ a spring lock for an outer door, which catches when the door is closed and can only be opened from the outside with a key.
   • ▪ the part of a knitting machine needle which closes or opens to hold or release the wool.
   • 2. a circuit which retains whatever output state results from a momentary input signal until reset by another signal.

   verb

   • 1. fasten (a door or gate) with a latch: "she latched the door carefully"
   • 2. (of a device) become fixed in a particular state: "the output relay can be set to latch at a preset value"

   Word Origin Old Englishlæccan ‘take hold of, grasp (physically or mentally’), of Germanic origin.

   Scrabble Points: 10

   • L

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   • A

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   • T

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   • C

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   • H

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