tag

Dictionary definition · tag

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

attach a tag or label to"label these bottles"
touch a player while they are holding the ball
provide with a name or nickname
go after with the intent to catch"The policeman chased the mugger down the alley"
supply (blank verse or prose) with rhymes

Source: Open English WordNet (CC BY 4.0).