| Proprietor (n.) 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. Thesaurus Entries beneficiary, cestui, cestui que trust, cestui que use, deedholder, feoffee, feudatory, holder, householder, innkeeper, laird, landholder, landlady, landlord, landowner, licensee, lord, manager, master, mesne, mesne lord, mistress, owner, partner, possessor, property owner, proprietary, proprietress, proprietrix, publican, rentier, squire, titleholder |