proprietorship, proprietary -- (an unincorporated business owned by a single person who is responsible for its liabilities and entitled to its profits)
Overview of adj proprietary
The adj proprietary has 1 sense
proprietary -- (protected by trademark or patent or copyright; made or produced or distributed by one having exclusive rights; "`Tylenol' is a proprietary drug of which `acetaminophen' is the generic form")
(Sound)
