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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 systematic explanation of abbreviations, symbols, etc., used in a dictionary, map, etc.: Compare legend ( def 4 ). pronunciation key. the system, method, pattern, etc., used to decode or decipher a cryptogram, as a code book, machine setting, or keyword.
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.
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.
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.
any of the set of moving parts that you press with your fingers on a computer keyboard, or musical instrument to produce letters, numbers, symbols, or musical notes. Shurik76/iStock/Getty Images Plus/GettyImages. Examples. If you press this key, the computer screen will clear.
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.
