latch

名词 n. 动词 v.
中文释义
发音 lăch

英文释义

名词 n.
  1. A fastening for a door that has a bar that fits into a notch or slot, and is lifted by a lever or string from either side.
    — The cleverly constructed latch which Clayton had made for the door had sprung as Kerchak passed out; nor could the apes find means of ingress through the heavily barred windows.
  2. An electronic circuit that is like a flip-flop, except that it is level triggered instead of edge triggered.
  3. A latching. obsolete
  4. A crossbow. obsolete
  5. That which fastens or holds; a lace; a snare. obsolete
    — Love will none other birde catch, Though he set either nette or latch
  6. A breastfeeding baby's connection to the breast.
  7. A lightweight lock to protect internal structures from being modified by multiple concurrent accesses.
动词 v.
  1. To close or lock as if with a latch.
  2. To smear; to anoint. obsolete
    — But hast thou yet latch'd the Athenian's eyes With the love-juice , as I did bid thee do?
  3. To catch; lay hold of. transitive
    — Where hearing should not latch them.
  4. To use a latch (kind of lightweight lock).
  5. To connect to the breast.

词形变化

latches present,singular,third-person latching participle,present latched participle,past latched past laught obsolete,participle,past laught obsolete,past latches plural lech alternative letch alternative latches present,singular,third-person latching participle,present latched participle,past latched past

词汇关系

衍生词
latchable latcher latch on latch on to latch onto relatch unlatch chain latch deadlatch doorlatch drawlatch latchbolt latchet Latchford latchkey latchless latchstring latch-up on the latch spring latch throatlatch throat latch

词源

词源 1
From Middle English lacchen (“to seize, catch, grasp”, verb), from Old English læċċan (“to grasp, take hold of, catch, seize”), from Proto-Germanic *lakjaną, *lakwijaną, *lakkijaną (“to seize”), from Proto-Indo-European *(s)leh₂g-, *(s)leh₂gʷ- (“to take, seize”). Cognate with Middle Dutch lakken (“to grasp, catch”).
词源 2
From Middle English latche, lacche (“a latch; a trap”), from lacchen (“to seize, catch, grasp”), from Old English læċċan (“to grasp, take hold of, catch, seize”). See above for more.
词源 3
Compare French lécher (“to lick”).
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