General English

  • noun a label or a piece of paper or plastic attached to something to show e.g. a price, contents, or someone’s name and address
  • noun a children’s game where the first child has to try to touch another one who then chases the others in turn

General Science

  • noun an identifying character attached to a file or item of data


  • noun a label attached to an animal to identify it


  • noun one section of a computer instruction
  • noun a set of identifying characters attached to a file or item (of data)


  • A strip of sheet metal folded on itself and used as a wedge to hold metal flashing in a masonry joint.


  • That which serves to mark or otherwise enable monitoring or identification. For example, a radioactive tracer, or an RFID tag. Also, to mark, monitor, or identify with such a tag.
  • One or more bits or characters which serve to identify data, such as that in a database. Also, the name of such a tag.
  • A command or code which specifies how a document, or a part of a document, must be formatted. Examples include HTML tags and meta tags. Also, to so mark a document.
  • A transponder within an RFID system. Such a transponder is usually in the form of an IC, and responds to interrogating signals arriving from an RFID reader. Such a tag, for instance, may be incorporated into a box label, a smart card, or a key chain wand which is waved near a reader to effect payments. Also called RFID tag.

Information & Library Science

Media Studies

  • noun a label that describes a piece of data, e.g. to facilitate later retrieval or text formatting


  • (to spray) a graffiti artist’s personalised signature or motif. The word has been a colloquialism for a person’s name for many years. It was adopted by teenage graffiti artists in the 1970s in the USA, whence it spread with the craze.