Proprietary | Mean of proprietary in English Dictionary

/prəˈprajəˌteri/

• of or like that of an owner
1. The publisher has proprietary rights [=the rights of an owner] to the manuscript.
2. The investors have a proprietary interest in the land.
• used, made, or sold only by the particular person or company that has the legal right to do so
1. The computer comes with the manufacturer's proprietary software.
2. a proprietary drug
3. “Merriam-Webster” is a proprietary name.
• kept private by an owner
1. The journalist tried to get access to proprietary information.