[1] : The Collaborative International Dictionary of English v.0.48

tag \tag\, v. t. imp.  p. p. tagged; p. pr.  vb. n.
   tagging.
   1. to fit with, or as with, a tag or tags.
      1913 webster

            he learned to make long-tagged thread laces.
                                                  --macaulay.
      1913 webster

            his courteous host . . .
            tags every sentence with some fawning word.
                                                  --dryden.
      1913 webster

   2. to join; to fasten; to attach. --bolingbroke.
      1913 webster

   3. to follow closely after; esp., to follow and touch in the
      game of tag. see tag, a play.
      1913 webster
see also:
tagged tagging tag 

[2] : WordNet (r) 2.0

tag
     n 1: a label made of cardboard or plastic or metal
     2: a small piece of cloth or paper syn: rag, shred, tag
        end, tatter
     3: a game in which one child chases the others; the one who is
        caught becomes the next chaser
     4: sports the act of touching a player in a game which
        changes their status in the game
     v 1: attach a tag or label to; "label these bottles" syn: label,
           mark
     2: touch a player while he is holding the ball
     3: provide with a name or nickname
     4: go after with the intent to catch; "the policeman chased the
        mugger down the alley"; "the dog chased the rabbit" syn:
        chase, chase after, trail, tail, give chase, dog,
         go after, track
     5: supply blank verse or prose with rhymes
     also: tagging, tagged
see also:
rag shred tag end tatter label mark 
chase chase after trail tail give chase 
dog go after track tagging tagged 

[3] : WordNet (r) 2.0

tagging
     see tag
see also:
tag 

Tagging >> T Words
Tagging, definition of term: Tagging
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