noun1. a piece of paper, card, or other material attached to an object to identify it or give instructions or details concerning its ownership, use, nature, destination, etc; tag
 2. a brief descriptive phrase or term given to a person, group, school of thought, etc
 the label "Romantic" is applied to many different kinds of poetry
 3. a word or phrase heading a piece of text to indicate or summarize its contents
  4. a trademark or company or brand name on certain goods, esp, formerly, on gramophone records
 5.   another name for dripstone (sense 2)
6.  heraldry a charge consisting of a horizontal line across the chief of a shield with three or more pendants: the charge of an eldest son
 7.  computing a group of characters, such as a number or a word, appended to a particular statement in a program to allow its unique identification
 8.  chemistry a radioactive element used in a compound to trace the mechanism of a chemical reaction
  verbWord forms: -bels, -belling, -belledWord forms:  US -bels, -beling or -beled (transitive)11. to describe or classify in a word or phrase
 to label someone a liar
  12. to make (one or more atoms in a compound) radioactive, for use in determining the mechanism of a reaction
  Word origin
C14: from Old French, from Germanic; compare Old High German 
lappa rag