1a label attached to someone or something for the purpose of identification or to give other information:he gave his pet a collar with a metal name taghe took off his identity tag and inserted it into a machine
an electronic device that can be attached to someone or something for monitoring purposes, e.g. to track offenders under house arrest or to deter shoplifters.
a nickname or description popularly given to someone or something:he lived up to his tag as the team’s saviour
informal a nickname or other identifying mark written as the signature of a graffiti artist:scrawled felt-tip tags on city walls
Computing a character or set of characters appended to a piece of text or data in order to identify or categorize it.
US the licence plate of a motor vehicle:the car had Texas tags
2a small piece or part that is attached to a main body.
a ragged lock of wool on a sheep.
the tip of an animal’s tail when it is distinctively coloured.
a loose or spare end of something; a leftover:I have a few tags of second-hand equipment
a metal or plastic point at the end of a shoelace that stiffens it, making it easier to insert through an eyelet.
3a frequently repeated quotation or stock phrase:his writing is full of tags from the Bible and Shakespeare
Theatre a closing speech addressed to the audience.
a refrain or musical phrase in a song or piece of music.
Grammar a short phrase or clause added to an already complete sentence, as in I like it, I do.
1attach a label to:mothers suspected that their babies had been wrongly tagged during an alarm at the hospital
attach an electronic tag to: (as noun tagging)the tagging of remand prisoners
[with object and adverbial or complement] give a specified name or description to:he left because he didn’t want to be tagged as a soap star
informal (of a graffiti artist) write one’s nickname or mark on (a surface):metal hoardings tagged with hip-hop graffiti
Computing add a character or set of characters to (a piece of text or data) in order to identify or categorize it.
Biology & Chemistry label (something) with a radioactive isotope, fluorescent dye, or other marker:pieces of DNA tagged with radioactive particles
2 [with object and adverbial] add to something, especially as an afterthought or with no real connection:she meant to tag her question on at the end of her remarks
[no object, with adverbial] follow or accompany someone, especially without invitation:that’ll teach you not to tag along where you’re not wanted
[with object]British informal follow closely:we were tagged—that car was following us