trademark

noun

1. A word, symbol, or phrase used to identify a particular company's product and differentiate it from other companies' products.
2. A word, symbol, or phrase used to identify a particular company's product and differentiate it from other companies' products.
3. Any proprietary business, product or service name.

   “Trademark Notice / The following are trademarks or registered trademarks of their respective companies: […] Google is a trademark of Google Corporation; eBay is a trademark of eBay, Inc.”

4. The aspect for which someone or something is best known; a hallmark or typical characteristic.

verb

1. (proscribed, transitive)To register something as a trademark.
2. (proscribed, transitive)To so label a product.

adj

1. (informal, not-comparable)Distinctive, characteristic, signature.

   “Sutho took a pull at his Johnny Walker and Coke and laughed that trademark laugh of his and said: `Okay. I'll pay that all right.'”

   “Riise did crash a fantastic, trademark free-kick against the bar from 25 yards but it was the Potters who increasingly posed the greater threat.”

   “The world’s most powerful man entered with an air of unhurried bonhomie. Dressed in his trademark navy suit and red tie, Trump, 78, appeared a little older than he had some seven months earlier, when he last met with TIME—more subdued, less verbose, the same discursive speech patterns but with the volume turned down.”