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KEY definition: 1. a piece of metal that has been cut into a special shape and is used for opening or closing a…. Learn more.
The meaning of KEY is a usually metal instrument that is used to open a lock or to start or access a mechanism. How to use key in a sentence.
a book, pamphlet, or other text containing the solutions or translations of material given elsewhere, as testing exercises. a systematic explanation of abbreviations, symbols, etc., used in a dictionary, map, etc.: Compare legend ( def 4 ). pronunciation key.
A key is a specially shaped piece of metal that you place in a lock and turn in order to open or lock a door, or to start or stop the engine of a vehicle.
1. a. A notched and grooved, usually metal implement that is turned to open or close a lock. b. A similar implement or an electronic device used for opening, winding, or starting something: the key of a wind-up alarm clock; the new car's electronic key. c. A device, such as a wedge or pin, inserted to lock together mechanical or structural parts.
A key is a piece of metal that fits inside a lock and turns to open it. You might have a key ring with a house key, a car key, and maybe several more keys. A key is typically cut from metal, although many hotels use plastic keys for their guest rooms.
a piece of metal with a special shape used for locking a door, starting a car, etc. to put/turn the key in the lock. He inserted the key in the lock and let himself into the house. the car keys. a set/bunch of keys. key to something the spare key to the front door. We'll have a duplicate key cut (= made).
Key Definition. An instrument, usually of metal, for moving the bolt of a lock and thus locking or unlocking something. Any of several instruments or mechanical devices resembling or suggesting this in form or use. Something regarded as like a key in opening or closing a way, revealing or concealing, etc. A keycard.
something that provides a means to achieve, become skilled at, or understand something else: the key to a secret code; the key to happiness. a book or other text containing the solutions or answers for material given elsewhere, as testing exercises.
a piece of metal cut into a particular shape and used for locking things such as doors, or for starting an engine: I've lost my car keys. Fewer examples. I heard someone turn a key in the lock. It's a good idea to keep a spare key somewhere safe. Have you got a key to the house? He had lost his front-door key. I need to get some more keys cut.
