'owner' definitions:

Definition of 'owner'

(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]
noun
A person who owns something; "they are searching for the owner of the car"; "who is the owner of that friendly smile?" [syn: owner, possessor]

Synonyms of 'owner'

From: Moby Thesaurus