/trayd"mahrk'/ , 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.
3. to stamp or otherwise place a trademark designation upon.
4. to register the trademark of.
[ 1565-75; TRADE + MARK 1 ]