opah Meaning, Definition & Usage

  1. noun large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean
    Lampris regius; moonfish.

WordNet

O"pah noun
Definitions
  1. (Zoöl.) A large oceanic fish (Lampris quttatus), inhabiting the Atlantic Ocean. It is remarkable for its brilliant colors, which are red, green, and blue, with tints of purple and gold, covered with round silvery spots. Called also king of the herrings.

Webster 1913