Commercial

a.
  1. Of or pertaining to commerce; carrying on or occupied with commerce or trade; mercantile; as, commercial advantages; commercial relations.
  2. Commercial college ,
    a school for giving instruction in commercial knowledge and business.
    Commercial law .
    See under Law.
    Commercial note paper ,
    a small size of writing paper, usually about 5 by 71/2 or 8 inches.
    Commercial paper ,
    negotiable paper given in due course of business. It includes bills of exchange, promissory notes, bank checks, etc.
    Commercial traveler ,
    an agent of a wholesale house who travels from town to town to solicit orders.