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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 somethingthe spare key to the front door. We'll have a duplicate key cut (= made).
