Source : Webster's Revised Unabridged Dictionary (1913)

Sell \Sell\, v. i.
   1. To practice selling commodities.

            I will buy with you, sell with you; . . . but I will
            not eat with you.                     --Shak.

   2. To be sold; as, corn sells at a good price.

   {To sell out}, to sell one's whole stockk in trade or one's
      entire interest in a property or a business.