tag /ˈtæg/
 標記,標籤,附屬物,名稱,碎片,結束語,口頭禪,陳詞濫調,附加語,渾名,殘片  ; 標籤,(HTML文件中的代碼名稱,如

)

From: Taiwan MOE computer dictionary

 tag
 標示; 封籤

From: Network Terminology

 tag
 標籤 加標

From: Webster's Revised Unabridged Dictionary (1913)

 Tag n.
 1. Any slight appendage, as to an article of dress; something slight hanging loosely; specifically, a direction card, or label.
 2. A metallic binding, tube, or point, at the end of a string, or lace, to stiffen it.
 3. The end, or catchword, of an actor's speech; cue.
 4. Something mean and paltry; the rabble. [Obs.]
 Tag and rag, the lowest sort; the rabble. --Holinshed.
 5. A sheep of the first year. [Prov. Eng.]

From: Webster's Revised Unabridged Dictionary (1913)

 Tag, v. t. [imp. & p. p. Tagged p. pr. & vb. n. Tagging ]
 1. To fit with, or as with, a tag or tags.
    He learned to make long-tagged thread laces.   --Macaulay.
 His courteous host . . .
 Tags every sentence with some fawning word.   --Dryden.
 2. To join; to fasten; to attach.
 3. To follow closely after; esp., to follow and touch in the game of tag. See Tag, a play.

From: Webster's Revised Unabridged Dictionary (1913)

 Tag, v. i. To follow closely, as it were an appendage; -- often with after; as, to tag after a person.

From: Webster's Revised Unabridged Dictionary (1913)

 Tag, n.  A child's play in which one runs after and touches another, and then runs away to avoid being touched.
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From: 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]