Latch

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GRE Barron

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[编辑] GRE 红宝书

  • n.门闩; v.用门闩闩牢

[编辑] Webster Collegiate

I. intransitive verb

  • Etymology: Middle English lachen, from Old English l?ccan; perhaps akin to Greek lambanein to take, seize
  • Date: 13th century
  • 1. to lay hold with or as if with the hands or arms — used with on or onto
  • 2. to associate oneself intimately and often artfully — used with on or onto<latched onto a rich widow>

II. noun

  • Date: 13th century
  • any of various devices in which mating mechanical parts engage to fasten but usually not to lock something:
    • a. a fastener (as for a door) consisting essentially of a pivoted bar that falls into a notch
    • b. a fastener (as for a door) in which a spring slides a bolt into a hole; also night latch

III. transitive verb

  • Date: 15th century
  • to make fast with or as if with a latch


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