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Keyword - 3 dictionary results

key⋅word

[kee-wurd]
1. a word that serves as a key, as to the meaning of another word, a sentence, passage, or the like: Search the database for the keyword “Ireland.”
2. a word used to encipher or decipher a cryptogram, as a pattern for a transposition procedure or the basis for a complex substitution.
3. Also called catchword. Library Science. a significant or memorable word or term in the title, abstract, or text of an item being indexed, used as the index entry.
Also, key word.


Origin:
1855–60; key 1 + word
key·word also key word   (kē'wûrd')   
n.  
  1. A word that serves as a key to a code or cipher.
  2. A significant or descriptive word.
  3. A word used as a reference point for finding other words or information.

keyword
1. One of a fixed set of symbols built into the syntax of a language. Typical keywords would be if, then, else, print, goto, while, switch. There are usually restrictions about reusing keywords as names for user-defined objects such as variables or procedures. Languages vary as to what is provided as a keyword and what is a library routine, for example some languages provide keywords for input/output operations whereas in others these are library routines.
2. A small set of words designed to convey the subject of a technical article. Some publications specify a fixed set of keywords from which those for a particular article should be chosen.

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