Shiner

[Sarah]

That which shines. Specifically:(a) A luminary.(b) A bright piece of money. [Slang]Has she the shiners, d' ye think Foote.black eye.(c) (Zoöl.) Any one of numerous species of small freshwater Americancyprinoid fishes, belonging to Notropis, or Minnilus, and alliedgenera; as the redfin (Notropis megalops), and the golden shiner(Notemigonus chrysoleucus) of the Eastern United States; also looselyapplied to various other silvery fishes, as the dollar fish, orhorsefish, menhaden, moonfish, sailor's choice, and the sparada. (d)(Zoöl.)

[Sarah]

(n.) a black eye. Term is of Irish origin where it was a punishment for not keeping machinery shiney delivered from the boot of a British officer.

[Sarah]

a bruise near the eye

[Rihanna]

A thing that shines or reflects light.

[Dorothey Allen]

a black eye (= an eye where the skin around it has gone dark because it has been hit) :