How to use key in a sentence. (especially north american english) the key is, how long can the federal government control the inflation rate? Language is the key to understanding those around you.
A piece of metal that has been cut into a special shape and is used for opening or closing a…. To key is to put locks on a building. (music) a group of notes based on a particular note and comprising a scale, regarded as forming the tonal basis of a piece of music the key of e minor the tone or pitch of someone's voice his voice had.
A small metal instrument specially cut to fit into a lock and move its bolt. See examples of key used in a sentence. Any of various devices resembling or functioning as a key: The key element of the thesis.
To key is to enter. The meaning of key is a usually metal instrument that is used to open a lock or to start or access a mechanism. To key is to lock something with key, or like using a key. Discover the word key in english: