Double click on any word to get a popup explanation of the word and sample sentences
Dictionary | Wikipedia | Synonyms | Name | Quotation | News

Dictionary Meaning and Definition on 'Key'

Key Meaning and Definition from WordNet (r) 2.0
    key adj
  1. serving as an essential component; "a cardinal rule"; "the central cause of the problem"; "an example that was fundamental to the argument"; "computers are fundamental to modern industrial structure" [syn: cardinal, central, fundamental, primal]
  2. effective; producing a desired effect; "the operative word" [syn: operative] n
  3. metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
  4. something crucial for explaining; "the key to development is economic integration"
  5. pitch of the voice; "he spoke in a low key"
  6. any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music [syn: tonality] [ant: atonality]
  7. a kilogram of a narcotic drug; "they were carrying two keys of heroin"
  8. a winged often one-seed indehiscent fruit as of the ash or elm or maple [syn: samara, key fruit]
  9. 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) [syn: Francis Scott Key]
  10. a coral reef off the southern coast of Florida [syn: cay, Florida keys]
  11. (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; "he hit a jump shot from the top of the key"; "he dominates play in the paint" [syn: paint]
  12. a list of answers to a test; "some students had stolen the key to the final exam" 1
  13. a list of words or phrases that explain symbols or abbreviations 1
  14. a generic term for any device whose possession entitles the holder to a means of access; "a safe-deposit box usually requires two keys to open it" 1
  15. mechanical device used to wind another device that is driven by a spring (as a clock) [syn: winder] 1
  16. the central building block at the top of an arch or vault [syn: keystone, headstone]
See more meaning on Key...

Wikipedia Meaning and Definition on 'Key'

  • Key: Key may refer to key. Key (lock), device used to open a lock or door. Key (cryptography), a piece of information that controls the operation of ...
  • Keynote (presentation software): Keynote also uses .key (presentation files) and .kth (theme files) bundles based on XML Supports all QuickTime video formats (including ...
  • KeY: The KeY tool is used in formal verification of Java programs. It accepts both specifications written in JML or OCL to Java source files ...
  • KEYS: External links : http://www.1440keys. com/ KEYS 1440 official website. KEYS. Category:News and talk radio stations in the United States Category: ...
  • Key (music): In music theory , the term key is used in many different and sometimes contradictory ways. "in" a specific key, such as in the key of C ...
  • Key (lock): A key is an instrument that is used to operate a lock . A typical key consists of two parts: the blade, which slides into the keyway of ...
  • Keyboard (computing): In computing , a keyboard is a typewriter keyboard , which uses an arrangement of buttons or keys , to act as mechanical levers or ...
  • Key (cryptography): In cryptography , a key is a piece of information (a parameter ) that determines the functional output of a cryptographic algorithm or ...
  • Public-key cryptography: Public-key cryptography is a cryptographic approach which involves the use of asymmetric key algorithms instead of or in addition to ...
  • Florida Keys: The Florida Keys are an archipelago of 1700 islands in the southeast United States. southwest and then westward to Key West , the ...

Words and phrases related to 'Key'

Meaning of the Name 'Key'

  • Meaning: Son of Aidan
  • Origin: Gaelic
  • Gender: Male

'Key' in famous quotation sentence

* Above all, I would teach him to tell the truth ... Truth-telling, I have found, is the key to responsible citizenship. The thousands of criminals I have seen in 40 years of law enforcement have had one thing in common Every single one was a liar. - J. Edgar Hoover

* As death, when we come to consider it closely, is the true goal of our existence, I have formed during the last few years such close relations with this best and truest friend of mankind, that his image is not only no longer terrifying to me, but is indeed very soothing and consoling And I thank my God for graciously granting me the opportunity...of learning that death is the key which unlocks the door to our true happiness. - Thomas Mann

* Jean Grey Mutation. It is the key to our evolution. It has enabled us to evolve from a single-celled organism into the dominant species on the planet. This process is slow and normally taking thousands and thousands of years. But every few hundred millennia, evolution leaps forward. - X2 X-Men United

Click here for more related quotations on 'Key'

Key Sample Sentences in News

Want to be famous? Add your definition to the meaning of 'Key'

Search for more meaning of 'Key' on the web