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- Dictionarylatch/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"
- 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"
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LATCH definition: 1. a device for keeping a door or gate closed, consisting of a metal bar that fits into a hole and…. Learn more.
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)
noun. a device for holding a door, gate, or the like, closed, consisting basically of a bar falling or sliding into a catch, groove, hole, etc. a breastfeeding baby’s attachment or connection to the mother’s breast: A good, deep latch is important because it allows the infant to get enough milk.
A latch is a fastener or lock that you open with a key. A latch can usually be opened with a key or by turning a knob or lifting a hook or bar. You can also use the word latch as a verb, like when your mom reminds you to latch the front and back doors before you leave for school in the morning.
LATCH meaning: 1. a device for keeping a door or gate closed, consisting of a metal bar that fits into a hole and…. Learn more.
n. 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. v. latched, latch·ing, latch·es. v.tr. To close or lock with a latch. v.intr.
1. a fastening for a gate or door that consists of a bar that may be slid or lowered into a groove, hole, etc. 2. a spring-loaded door lock that can be opened by a key from outside. 3. Also called: latch circuit electronics.
Latch definition: 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.
(especially British English) a type of lock on a door that needs a key to open it from the outside. She listened for his key in the latch. Word Origin. Idioms. on the latch. (British English) closed but not locked. Can you leave the door on the latch so I can get in? See latch in the Oxford Advanced American Dictionary. Check pronunciation: latch.
1. A latch is a fastening on a door or gate. It consists of a metal bar which you lift in order to open the door. [...] 2. A latch is a lock on a door which locks automatically when you shut the door, so that you need a key in order to open it from the outside. [...] See off the latch/on the latch [...] 3.
