commercial

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Of or relating to commerce.
• adjective Engaged in commerce.
• adjective Relating to or being goods that are produced and distributed in large quantities.
• adjective Having profit as a chief aim.
• adjective Intended for or appealing to a large audience.
• adjective Sponsored by an advertiser or paid for by advertising.
• noun An advertisement in audio or video form.

from The Century Dictionary.

• Pertaining or relating to commerce or trade; of the nature of commerce: as, commercial concerns; commercial relations; a commercial transaction.
• Carrying on commerce; characterized by devotion to commerce: as, a commercial community.
• Proceeding or accruing from trade: as, commercial benefits or profits.
• Devoted to commerce: as, a commercial career.
• Prepared for the market, or merely as an article of commerce; hence, not entirely or chemically pure: as, commercial soda, silver, etc.
• Synonyms See mercantile.

from the GNU version of the Collaborative International Dictionary of English.

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

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An advertisement in a common media format, usually radio or television.
• adjective Of or pertaining to commerce.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective connected with or engaged in or sponsored by or used in commerce or commercial enterprises
• adjective of or relating to commercialism
• adjective of the kind or quality used in commerce; average or inferior
• noun a commercially sponsored ad on radio or television