tag in WordNet English dictionary

1. go after with the intent to catch
   "The policeman chased the mugger down the alley"; "the dog chased the rabbit"
   chase  chase after  trail  tail  tag  give chase  dog  go after  track 
   
2. attach a tag or label to
   "label these bottles"
   tag  label  mark 
   
3. provide with a name or nickname
   tag 
   
4. touch a player while he is holding the ball
   tag 
   
5. supply (blank verse or prose) with rhymes
   tag 
   

1. a small piece of cloth or paper
   rag  shred  tag  tag end  tatter 
   
2. (sports) the act of touching a player in a game (which changes their status in the game)
   tag 
   
3. a game in which one child chases the others; the one who is caught becomes the next chaser
   tag 
   
4. a label written or printed on paper, cardboard, or plastic that is attached to something to indicate its owner, nature, price, etc.
   tag  ticket 
   
5. a label associated with something for the purpose of identification
   "semantic tags were attached in order to identify different meanings of the word"
   tag