KEY Definition Meaning - Merriam-Webster 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
KEY definition in American English | Collins English Dictionary 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 They put the key in the door and entered
KEY Definition Meaning | Dictionary. com Key definition: a small metal instrument specially cut to fit into a lock and move its bolt See examples of KEY used in a sentence
key - WordReference. com Dictionary of English 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