'Proprietor' definitions:

Definition of 'proprietor'

From: WordNet
noun
(law) someone who owns (is legal possessor of) a business; "he is the owner of a chain of restaurants" [syn: owner, proprietor]

Definition of 'Proprietor'

From: GCIDE
  • Proprietor \Pro*pri"e*tor\, n. [For older proprietary: cf. F. propri['e]tarie.] One who has the legal right or exclusive title to anything, whether in possession or not; an owner; as, the proprietor of farm or of a mill. [1913 Webster]