What does "retail" mean?

Retail: To sell in small quantities, as by the single yard, pound, gallon, etc.; to sell directly to the consumer; as, to retail cloth or groceries.

Additional senses

  1. 2.To sell at second hand. [Obs. or R.] Pope.
  2. 3.To distribute in small portions or at second hand; to tell again or to many (what has been told or done); to report; as, to retail slander. "To whom I will retail my conquest won." Shak. He is wit's peddler, and retails his wares At wakes and wassails. Shak.

Sources