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BNC: 14085 COCA: 11948

latch

1 latch /ˈlætʃ/ noun
plural latches
1 latch
/ˈlætʃ/
noun
plural latches
Learner's definition of LATCH
[count]
: a device that holds a door, gate, or window closed and that consists of a bar that falls into a holder when it is closed and that is lifted when it is open闩;门闩;窗闩
chiefly British : a type of door lock that can be opened from the inside by turning a lever or knob but can only be opened from the outside with a key碰锁;碰簧锁

on the latch

British, of a door
: closed but not locked(门)关着但未上锁
2 latch /ˈlætʃ/ verb
latches; latched; latching
2 latch
/ˈlætʃ/
verb
latches; latched; latching
Learner's definition of LATCH
[+ object]
: to close or fasten (something, such as a door) with a latch闩上(门等)
compare 3latch
3 latch /ˈlætʃ/ verb
latches; latched; latching
3 latch
/ˈlætʃ/
verb
latches; latched; latching
Learner's definition of LATCH

latch on

[phrasal verb] informal
British : to begin to understand something理解
latch on to (something) or latch onto (something)
: to grab and hold (something)揪着;紧抓
often used figuratively常用作比喻
: to begin using or doing (something) in an enthusiastic way(兴致勃勃地)开始使用,开始做
: to choose (something) in an enthusiastic way(兴致勃勃地)选择,挑选
latch on to (someone or something) or latch onto (someone or something) : to stay close to (someone or something)缠着;缠住
compare 2latch
BNC: 14085 COCA: 11948

latch

1 of 3

verb (1)

latched; latching; latches

intransitive verb

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

latch

2 of 3

noun

: 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

latch

3 of 3

verb (2)

latched; latching; latches

transitive verb

: to make fast with or as if with a latch

Example Sentences

Noun He lifted the latch and opened the gate. I heard her key turn in the latch.
Recent Examples on the Web
Verb
Weevils will either fly away or come right off, whereas ticks tend to latch onto your skin. Korin Miller, SELF, 12 July 2022 After all, the coronavirus doesn’t care about your faith; its only concern is to latch onto your cells, burrow inside and replicate as much as possible. Karen Kaplan Science And Medicine Editor, Los Angeles Times, 24 Sep. 2021 There, its final, irresistible impulse is to latch its jaws upon the twig, dying as the mycelium finally consumes all the insect’s innards. Doug Bierend, Outside Online, 10 Mar. 2021 Antibodies are also finicky and super specific—ones that latch on tightly to one version of the virus might bounce uselessly off of another. Katherine J. Wu, The Atlantic, 16 Mar. 2022 There are several examples in nature of efficient ways to latch onto objects in underwater environments, per the authors. Jennifer Ouellette, Ars Technica, 28 July 2022 This spike protein is what allows the coronavirus to latch onto and enter human cells. Korin Miller, SELF, 14 July 2022 That means doors must automatically close and latch after someone passes through. New York Times, 8 July 2022 Democrats also previewed an effort to latch Republican midterm candidates to more controversial figures in the GOP, including Trump, Georgia Rep. Marjorie Taylor Greene, Abbott and Gov. Ron DeSantis of Florida. Eric Bradner, CNN, 12 Mar. 2022
Noun
The claw, made of a plunger and a hole, operates with a latch mechanism that shoots the plunger through the hole at blistering speed. Viviane Callier, Scientific American, 14 July 2022 The energy release covers have a latch that prevents manhole covers from flying off. Hanna Krueger, BostonGlobe.com, 13 July 2022 There could be legal dust-ups as the ones with the most dollars latch on to a few more. Bryce Millercolumnist, San Diego Union-Tribune, 16 June 2022 The laptop is configurable with up to 2TB of storage, upgradeable via a quick-release latch, and up to 64GB of DDR4 RAM. Scharon Harding, Ars Technica, 26 May 2022 Plus, a padlock latch ensures that no animals—or kids—can make their way inside. Alex Rennie, Popular Mechanics, 9 Apr. 2022 The hood could fly open if the main latch is inadvertently released or not closed properly after engine service. Mark Heim | Mheim@al.com, al, 28 June 2022 Its child-seat anchors earn a Good+ rating for the easy-to-find latch positions. Austin Irwin, Car and Driver, 11 May 2022 The firmer bristles are in charge of grabbing larger pieces of debris, while dust and dirt latch onto the softer ones, and the dustpan uses antistatic technology to prevent dirt from sticking to it. Amy Schulman, PEOPLE.com, 18 Mar. 2022 See More

Word History

Etymology

Verb (1)

Middle English lachen, from Old English læccan; perhaps akin to Greek lambanein to take, seize

First Known Use

Verb (1)

14th century, in the meaning defined at sense 1

Noun

13th century, in the meaning defined above

Verb (2)

1530, in the meaning defined above

Time Traveler
The first known use of latch was in the 13th century
BNC: 14085 COCA: 11948

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