noun that which shines.
2. shiner ·noun a bright piece of money.
3. shiner ·noun a luminary.
4. shiner ·noun the common lepisma, or furniture bug.
5. shiner ·noun any one of numerous species of small freshwater american cyprinoid fishes, belonging to notropis, or minnilus, and allied genera; as the redfin (notropis megalops), and the golden shiner (notemigonus chrysoleucus) of the eastern united states; also loosely applied to various other silvery fishes, as the dollar fish, or horsefish, menhaden, moonfish, sailor's choice, and the sparada.