Proprietary

(n.) A proprietor or owner; one who has exclusive title to a thing; one who possesses, or holds the title to, a thing in his own right.

Proprietary - Other Definitions

(n.) A proprietor or owner; one who has exclusive title to a thing; one who possesses, or holds the title to, a thing in his own right.
(n.) A body proprietors, taken collectively.
(n.) A monk who had reserved goods and effects to himself, notwithstanding his renunciation of all at the time of profession.
(a.) Belonging, or pertaining, to a proprietor; considered as property; owned; as, proprietary medicine.