'Classifier' definitions:

Definition of 'classifier'

From: WordNet
noun
A person who creates classifications
noun
A word or morpheme used in some languages in certain contexts (such as counting) to indicate the semantic class to which the counted item belongs

Definition of 'Classifier'

From: GCIDE
  • Classifier \Clas"si*fi`er\, n. One who classifies. [1913 Webster]