definition of
trademark

[1] #1 trademark n. [hallmark, earmark, stylemark] a distinctive characteristic or attribute. wn

[2] #2 trademark n. a formally registered symbol identifying the manufacturer or distributor of a product. wn

[3] #3 trademark v. [brand, brandmark] mark with a brand or trademark; "when this product is not branded it sells for a lower price". wn

[4] #4 trademark v. register the trademark of; "The company trademarked their new gadget". wn