tagger

definition: a computer program that attaches labels to the grammatical constituents of textual matter
example:
speech part: noun
synonyms: tagging program
definition: someone who appends or joins one thing to another
example: a theory that was simply added on by some anonymous tagger
speech part: noun
synonyms:
definition: someone who assigns labels to the grammatical constituents of textual matter
example:
speech part: noun
synonyms:

How tagger is being used?