proprietary
/prəʊˈpraɪətərɪ/adjective
1- of or relating to an owner or ownership（与）所有者（有关）的; （与）所有权（有关）的：
the company has a proprietary right to the property.
该公司对该财产有所有权。
1.1
- (of a product) marketed under and protected by a registered trade name（产品）专卖的, 受注册商标保护的; 专用的：
proprietary brands of insecticide.
杀虫剂专用品牌。
1.2
- behaving as if one was the owner of someone or something像所有者的：
he looked about him with a proprietary air.
他摆出一副业主的架势环顾四周。
词源
late Middle English (as a noun denoting a member of a religious order who held property)： from late Latin proprietarius 'proprietor'，from proprietas （see PROPERTY）.