'Expositor' definitions:

Definition of 'expositor'

(from WordNet)
noun
A person who explains [syn: expositor, expounder]

Definition of 'Expositor'

From: GCIDE
  • Expositor \Ex*pos"i*tor\, n. [L. See Expound.] One who, or that which, expounds or explains; an expounder; a commentator. --Bp. Horsley. [1913 Webster]

Synonyms of 'expositor'

From: Moby Thesaurus