The name by which an article is called among traders, etc.; as, tin spirits is a common trade name in the dyeing industry for various solutions of tin salts. [Webster 1913 Suppl.]
The name or style under which a concern or firm does business. This name becomes a part of the good will of a business; it is not protected by the registration acts, but a qualified common-law protection against its misuse exists, analogous to that existing in the case of trade-marks. [Webster 1913 Suppl.]