Definition of Key
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.
Generic synonyms: Device
Specialized synonyms: Ignition Key, Latchkey, Master, Master Key, Passe-partout, Passkey
2. Verb. Identify as in botany or biology, for example.
Entails: Assort, Class, Classify, Separate, Sort, Sort Out
Derivative terms: Identifiable, Identification, Identity, Name, Naming
3. Adjective. Serving as an essential component. "Computers are fundamental to modern industrial structure"
Similar to: Important, Of Import
Derivative terms: Center, Center
4. Noun. Something crucial for explaining. "The key to development is economic integration"
5. Verb. Provide with a key. "We were keyed after the locks were changed in the building"
6. Noun. Pitch of the voice. "He spoke in a low key"
7. Verb. Vandalize a car by scratching the sides with a key. "His new Mercedes was keyed last night in the parking lot"
8. Noun. Any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music.
Generic synonyms: Musical Notation
Specialized synonyms: Major Key, Major Mode, Minor Key, Minor Mode, Home Key, Tonic Key
Derivative terms: Tonal
9. Verb. Regulate the musical pitch of.
10. Noun. A kilogram of a narcotic drug. "They were carrying two keys of heroin"
Generic synonyms: Kg, Kilo, Kilogram
11. Verb. Harmonize with or adjust to. "Key one's actions to the voters' prevailing attitude"
12. Noun. A winged often one-seed indehiscent fruit as of the ash or elm or maple.
13. Noun. 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).
14. Noun. A coral reef off the southern coast of Florida.
Group relationships: Everglade State, Fl, Florida, Sunshine State
Generic synonyms: Coral Reef
15. 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. "He dominates play in the paint"
Category relationships: Basketball, Basketball Game, Hoops
Group relationships: Basketball Court
Terms within: Foul Line
Generic synonyms: Space
16. Noun. A list of answers to a test. "Some students had stolen the key to the final exam"
17. Noun. A list of words or phrases that explain symbols or abbreviations.
18. Noun. 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"
19. Noun. Mechanical device used to wind another device that is driven by a spring (as a clock).
Generic synonyms: Mechanical Device
Specialized synonyms: Watch Key
Derivative terms: Wind
20. Noun. The central building block at the top of an arch or vault.
Group relationships: Arch
Generic synonyms: Building Block
Specialized synonyms: Coign, Coigne, Quoin
21. Noun. A lever (as in a keyboard) that actuates a mechanism when depressed.
Specialized synonyms: Backspace, Backspace Key, Backspacer, Command Key, Control Key, Return, Return Key, Shift, Shift Key, Space Bar, Tab, Tab Key, Telegraph Key
Group relationships: Keyboard
Generic synonyms: Lever
Definition of Key
1. n. 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.
2. v. t. To fasten or secure firmly; to fasten or tighten with keys or wedges.
3. n. A metallic lever by which the circuit of the sending or transmitting part of a station equipment may be easily and rapidly opened and closed; any device for closing or opening an electric circuit.
4. n. A simplified version or analysis which accompanies something as a clue to its explanation, a book or table containing the solutions to problems, ciphers, allegories, or the like, or a table or synopsis of conspicuous distinguishing characters of members of a taxonomic group.
Definition of Key
1. Noun. An object designed to open and close a lock. ¹
2. Noun. An object designed to fit between two other objects (such as a shaft and a wheel) in a mechanism and maintain their relative orientation. ¹
3. Noun. A crucial step or requirement. ¹
4. Noun. A guide explaining the symbols or terminology of a map or chart; a legend. ¹
5. Noun. A guide to the correct answers of a worksheet or test. ¹
6. Noun. (computing) One of several small, usually square buttons on a typewriter or computer keyboard, mostly corresponding to text characters. ¹
7. Noun. (music) One of a number of rectangular moving parts on a piano or musical keyboard, each causing a particular sound or note to be produced. ¹
8. Noun. (music) One of various levers on a musical instrument used to select notes, such as a lever opening a hole on a woodwind. ¹
9. Noun. (music) A hierarchical scale of musical notes on which a composition is based ¹
10. Noun. (historical) A manual electrical switching device primarily used for the transmission of Morse code. ¹
11. Noun. (cryptography) A piece of information (e.g. a passphrase) used to encode or decode a message or messages. ¹
12. Noun. (computing) In a relational database, a field used as an index into another table (not necessarily unique). ¹
13. Noun. (computing) A value that uniquely identifies an entry in an associative array. ¹
14. Noun. (basketball) The free-throw lane together with the circle surrounding the free-throw line, the free-throw lane having formerly been narrower, giving the area the shape of a skeleton key hole. ¹
15. Noun. (biology) A series of logically organized groups of discriminating information which aims to allow the user to correctly identify a taxon. ¹
16. Noun. (slang) kilogram ¹
17. Adjective. Indispensable. ¹
18. Adjective. Important, salient. ¹
19. Verb. To fit (a lock) with a key. ¹
20. Verb. To fit (pieces of a mechanical assembly) with a key to maintain the orientation between them. ¹
21. Verb. To mark or indicate with a symbol indicating membership in a class. ¹
22. Verb. (context: telegraphy and radio telegraphy) To depress (a telegraph key). ¹
23. Verb. (context: radio) To operate (the transmitter switch of a two-way radio). ¹
24. Verb. (computing) (''more usually'' '''to key in''') To enter (information) by typing on a keyboard or keypad. ¹
25. Verb. (colloquial) To vandalize (a car, etc.) by scratching with an implement such as a key. ¹
26. Verb. To link (as one might do with a key or legend). ¹
27. Verb. (intransitive) (biology mostly taxonomy) To be identified as a certain taxon when using a key. ¹
28. Noun. One of a string of small islands. ¹
¹ Source: wiktionary.com
Definition of Key
1. to provide with a key (a device used to turn the bolt in a lock) [v -ED, -ING, -S]
Medical Definition of Key
To fasten or secure firmly; to fasten or tighten with keys or wedges. To key up.
To raise the pitch of. Hence, fig, to produce nervous tension in.
Origin: Keved; Keying.
1. 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.
2. An instrument which is turned like a key in fastening or adjusting any mechanism; as, a watch key; a bed key, etc.
3. That part of an instrument or machine which serves as the means of operating it; as, a telegraph key; the keys of a pianoforte, or of a typewriter.
4. A position or condition which affords entrance, control, pr possession, etc.; as, the key of a line of defense; the key of a country; the key of a political situation. Hence, that which serves to unlock, open, discover, or solve something unknown or difficult; as, the key to a riddle; the key to a problem. "Those who are accustomed to reason have got the true key of books." (Locke) "Who keeps the keys of all the creeds." (Tennyson)
5. That part of a mechanism which serves to lock up, make fast, or adjust to position.
6. A piece of wood used as a wedge. The last board of a floor when laid down.
7. A keystone. That part of the plastering which is forced through between the laths and holds the rest in place.