noun a body proprietors, taken collectively.
2. proprietary ·adj belonging, or pertaining, to a proprietor; considered as property; owned; as, proprietary medicine.
3. proprietary ·noun a monk who had reserved goods and effects to himself, notwithstanding his renunciation of all at the time of profession.
4. proprietary ·noun 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.