Definitions for keyword
Random House Webster's College Dictionary
or key′ word`
a word that serves as a key, as to the meaning of another word, a sentence, or a passage.
Category: Computers, Cryptography
Origin of keyword:
Kernerman English Learner's Dictionary
a word used in a computer search to find out about a subject
Try using the keywords "Atlanta" and "nightclub."
any word used as the key to a code
Any word used in a reference work to link to other words or other information.
A reserved word used to identify a specific command, function etc.
Any word that occurs in a text more often than normal.
To tag with keywords, as for example to facilitate searching.