label in WordNet English dictionary

1. pronounce judgment on
   "They labeled him unfit to work here"
   pronounce  label  judge 
   
2. distinguish (an element or atom) by using a radioactive isotope or an isotope of unusual mass for tracing through chemical reactions
   label 
   
3. distinguish (as a compound or molecule) by introducing a labeled atom
   label 
   
4. assign a label to; designate with a label
   "These students were labelled `learning disabled'"
   label 
   
5. attach a tag or label to
   "label these bottles"
   tag  label  mark 
   

1. an identifying or descriptive marker that is attached to an object
   label 
   
2. a brief description given for purposes of identification
   "the label Modern is applied to many different kinds of architecture"
   label 
   
3. trade name of a company that produces musical recordings
   "the artists and repertoire department of a recording label is responsible for finding new talent"
   label  recording label 
   
4. a radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction
   label