A name, symbol, or other device used to identify and promote a product or service, especially an officially registered name or symbol that is thereby protected against use by others, A word, symbol, or phrase used to identify a particular company's product and differentiate it from other companies' products, Any proprietary business, product or service name, verb_ To register something as a trademark, To so label a product, transitive verb_ To register (something) as a trademark, To label (a product) with proprietary identification, adjective_ informal distinctive, characteristic, signature

proprietary (a type of corporation in Australia and South Africa)

Of or relating to a proprietor or to ownership, Owned by a private individual or corporation under a trademark or patent, protected by trademark or patent or copyright; made or produced or distributed by one having exclusive rights, noun_ an unincorporated business owned by a single person who is responsible for its liabilities and entitled to its profits, A body proprietors, taken collectively, 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