key
[ˈkiː]
1
key
noun
- a device that is used to open a lock or start an automobile —often used figuratively
- a device that looks like a key and that is used to turn something
- something that is necessary in order to do or achieve something—usually singular —usually + to
2
key
adjective
3
key
verb
- to enter (information) by using the keys of a computer, typewriter, etc. —often + in —often + into
- to have the most important part in (something)
4
key
noun
- a low island or reef
- a group of small islands off the southern coast of Florida