Pronunciation: (trād'märk"),[key] —n. 1. any name, symbol, figure, letter, word, or mark adopted and used by a manufacturer or merchant in order to designate his or her goods and to distinguish them from those manufactured or sold by others. A trademark is a proprietary term that is usually registered with the Patent and Trademark Office to assure its exclusive use by its owner.
2. a distinctive mark or feature particularly characteristic of or identified with a person or thing.
—v.t. 1. to stamp or otherwise place a trademark designation upon.
2. to register the trademark of.