Definitions
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noun 
  1. An object designed to open and close a lock.
  2. An object designed to fit between two other objects (such as a shaft and a wheel) in a mechanism and maintain the orientation between them.
  3. A crucial step or requirement.
the to solving this problem...
the to winning this game
  1. A guide explaining the symbols or terminology of a map or chart.
The says that A stands for the accounting department.
  1. One of several small, usually square buttons on a typewriter or computer keyboard, most of which generally correspond to a particular character.
Press the Escape .
  1. One of a number of rectangular moving parts on a piano or musical keyboard, each causing a particular sound or note to be produced.
  2. One of various levers on a musical instrument used to select notes, such as a lever opening a hole on a woodwind.
  3. (music) A hierarchical scale of musical notes on which a composition is based
the of B-flat major
  1. A device used to transmit Morse code.
  2. (cryptography) A piece of information (e.g. a passphrase) used to encode or decode a message or messages.
  3. (computing): In a database, a field of a relation constrained to be unique.
  4. (computing): In a database, a field in a record that is used as a search argument (but is not necessarily unique).
  5. (computing): A value that uniquely identifies an entry in an associative array.
  6. (basketball): The free-throw lane together with the circle surrounding the freethrow line, the freethrow lane having formerly been narrower, giving the area the shape of a skeleton key hole.
He shoots from the top of the .
  1. (slang): kilogram
Translations: 
  • Dutch: sleutel
  • French: légende
  • German: Zeichenerklí¤rung , Legende
  • Italian: tasto
  • Spanish: clave
verb 
  1. To fit (a lock) with a key.
  2. To fit (pieces of a mechanical assembly) with a key to maintain the orientation between them.
  3. (telegraphy and radio telegraphy) To depress (a telegraph key).
  4. (radio) To operate (the transmitter switch of a two-way radio).
  5. (computing): (more usually to key in) To enter (information) by typing on a keyboard or keypad.
Our instructor told us to in our user IDs.
  1. (colloquial) To use a key as a tool of convenience.
He keyed the car that had taken his parking spot.
Translations: 
    adjective 
    1. Indispensable.
    He is the player for his soccer team.
    He is the witness.
    1. Important, salient.
    She makes several points
    Translations: 

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