Key

English Meaning

An instrument by means of which the bolt of a lock is shot or drawn; usually, a removable metal instrument fitted to the mechanism of a particular lock and operated by turning in its place.

1. A notched and grooved, usually metal implement that is turned to open or close a lock.
2. A similar device used for opening or winding: the key of a clock; a can that has a key attached.
3. A means of access, control, or possession.
4. A vital, crucial element.
5. A set of answers to a test.
6. A table, gloss, or cipher for decoding or interpreting.
7. A device, such as a wedge or pin, inserted to lock together mechanical or structural parts.
8. Architecture The keystone in the crown of an arch.
9. A button or lever that is depressed to operate a machine.
10. A button that is depressed to cause a corresponding character or function to be typed or executed by a typewriter or to be accepted as input by a computer.
11. Music A button or lever that is depressed with the finger to produce or modulate the sound of an instrument, such as a clarinet or piano.
12. Music A tonal system consisting of seven tones in fixed relationship to a tonic, having a characteristic key signature and being the structural foundation of the bulk of Western music; tonality.
13. Music The principal tonality of a work: an etude in the key of E.
14. The pitch of a voice or other sound.
15. A characteristic tone or level of intensity, as of a speech or sales campaign. Often used in combination: high-key; low-key.
16. Botany A samara.
17. An outline of the distinguishing characteristics of a group of organisms, used as a guide in taxonomic identification.
18. Basketball An area at each end of the court between the base line and the foul line and including the jump-ball circle at the foul line: a jump shot from the top of the key.
19. Of crucial importance; significant: key decisions; the key element of the thesis.
20. To lock with or as if with a key.
21. Architecture To furnish (an arch) with a keystone.
22. Music To regulate the pitch of.
23. To bring into harmony; adjust or adapt.
24. To supply an explanatory key for.
25. To operate (a device), as for typesetting, by means of a keyboard.
26. To enter (data) into a computer by means of a keyboard.
27. To identify (a biological specimen).
28. To vandalize or mar by scratching with a key: Vandals keyed the cars left in the parking garage.
29. To pay close attention; focus: improved service by keying on customer complaints; keyed in on the main points of the lecture.
30. Sports To watch or cover an opposing player closely in an effort to limit the player's effectiveness. Used with on: "[She] still carries the burden of scoring ... even though opponents key on her throughout every game” ( Josh Barr).
31. key up To make intense, excited, or nervous.
32. in key In consonance with other factors.
33. out of key Not in consonance with other factors.
34. A low offshore island or reef, especially in the Gulf of Mexico; a cay.
35. Slang A kilogram of marijuana, cocaine, or heroin.

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