key has definitions from the fields of computer science,music,psychology,geography,law,verse,work,writing,architecture,botany
1
[ noun ] metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated

Used in print

(Tristram Coffin, Not to the Swift....)

A romantic is one who thinks the world is divinely inspired and all he has_to do is find the right key , and then divine justice and altruism will appear .

(William Maxwell, The Chateau....)

He handed Harold a key to the front_door , and cautioned him against leaving it unlocked while they were out of the apartment .

It was the end of the afternoon when he took the huge key out of his pocket and inserted it into the keyhole .

(Arthur Miller, "The Prophecy," in The Best...)

Finding the key under his shoe , he started the engine , and while it warmed_up he turned to her standing there in the dripping fog , and said , `` Defrost the refrigerator '' .

(E. Lucas Myers, "The Vindication of Dr. Nestor,"...)

`` Have you got our keys handy '' ?

2
[ adjective ] serving as an essential component

Examples

"a cardinal rule" "the central cause of the problem" "an example that was fundamental to the argument" "computers are fundamental to modern industrial structure"

Used in print

(The Dallas Morning News,...)

`` He knocked_down the interference and made key stops lots_of times .

(The New York Times,...)

When that failed , he enlisted Branch_Rickey 's aid in the formation of a third major_league , the Continental , with New_York as the key franchise .

Related terms

important

3
[ noun ] (psychology) something crucial for explaining

Examples

"the key to development is economic integration"

Used in print

(John R. Sargent, "Where To Aim Your Planning for Bigger...)

The key to effective marketing is wrapped_up in defining your company 's marketing problems realistically .

(L. Don Leet and Florence J. Leet, editors, The World of...)

The key to the world of geology is change ; nothing remains the same .

(Gibson Winter, The Suburban Captivity of the...)

The key to Protestant development , therefore , is economic integration of the nucleus of the congregation .

(Charles Wharton Stork, "Verner von Heidenstam"...)

In this final line , we have the key to his nature .

Related terms

explanation

4
[ noun ] (music) pitch of the voice

Examples

"he spoke in a low key"

Related terms

pitch

5
[ verb ] as in botany or biology, for example

Used in print

(B. J. D. Meeuse, The Story of Pollination....)

Let us not try to key them out at this stage of the game , and let us just call them Bombus ; there must be several dozen species in the United_States alone .

Related terms

name identity classify

6
[ noun ] (music) any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music

Synonyms

tonality

Used in print

(Brainard Cheney, "Christianity and the Tragic Vision-Ut...)

And I would further note that they all - with one exception again - sang in one key or another the same song .

7
[ adjective ] effective; producing a desired effect

Synonyms

operative

Examples

"the operative word"

Related terms

significant

8
[ noun ] (architecture) the central building block at the top of an arch or vault

Synonyms

headstone keystone

Related terms

building_block quoin arch

9
[ noun ] one thousand grams; the basic unit of mass adopted under the System International d'Unites

Synonyms

kg kilo kilogram

Examples

"a kilogram is approximately 2.2 pounds" "they were carrying two keys of heroin"

10
[ noun ] a list of answers to a test

Examples

"some students had stolen the key to the final exam"

Related terms

list

11
[ verb ] (music) regulate the musical pitch of

Related terms

harmonize harmonize music

12
[ verb ] (music) harmonize with or adjust to

Examples

"key one's actions to the voters' prevailing attitude"

Related terms

harmonize

13
[ noun ] (geography) a coral reef off the southern coast of Florida

Synonyms

Florida_keys cay

Related terms

coral_reef Florida

14
[ noun ] Last name, frequency rank in the U.S. is 796
15
[ verb ] vandalize a car by scratching the sides with a key

Examples

"His new Mercedes was keyed last night in the parking lot"

Related terms

vandalize

16
[ noun ] (law,verse,work,writing) United States lawyer and poet who wrote a poem after witnessing the British attack on Baltimore during the War of 1812; the poem was later set to music and entitled `The Star-Spangled Banner' (1779-1843)

Related terms

lawyer poet

17
[ noun ] a list of words or phrases that explain symbols or abbreviations

Related terms

list key_word

18
[ noun ] a generic term for any device whose possession entitles the holder to a means of access

Examples

"a safe-deposit box usually requires two keys to open it"

Related terms

positive_identification

19
[ verb ] provide with a key

Examples

"We were keyed after the locks were changed in the building"

Related terms

supply

20
[ noun ] (basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court

Synonyms

paint

Examples

"he hit a jump shot from the top of the key" "he dominates play in the paint"

21
[ noun ] (botany) a winged often one-seed indehiscent fruit as of the ash or elm or maple

Synonyms

key_fruit samara

Related terms

achene

22
[ noun ] a kilogram of a narcotic drug

Examples

"they were carrying two keys of heroin"

Related terms

kilogram cant

23
[ noun ] mechanical device used to wind another device that is driven by a spring (as a clock)

Synonyms

winder

24
[ noun ] (computer science) a lever that actuates a mechanism when depressed
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