Commercial adj. Of or pertaining to commerce; carrying on or occupied with commerce or trade; mercantile; as, commercial advantages; commercial relations. "Princely commercial houses." 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 7½ 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.
Synonyms: See Mercantile. 
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