Mercantile

a.
  1. Of or pertaining to merchants, or the business of merchants; having to do with trade, or the buying and selling of commodities; commercial.
    2. Mercantile agency ,
    an agency for procuring information of the standing and credit of merchants in different parts of the country, for the use of dealers who sell to them.
    Mercantile marine ,
    the persons and vessels employed in commerce, taken collectively.
    Mercantile paper ,
    the notes or acceptances given by merchants for goods bought, or received on consignment; drafts on merchants for goods sold or consigned.