over-the-counter market.The market for securities that are not traded on an organized exchange. • Over-the-counter (OTC) trading usu. occurs through telephone or computer negotiations between buyers and sellers. Many of the more actively traded OTC stocks are listed on NASDAQ. — Abbr. OTC market. [Cases: Securities Regulation  35.13. C.J.S. Securities Regulation § 104.]

[Blacks Law 8th]