The Collaborative International Dictionary of English v.0.48:

Dory \Do"ry\, n.; pl. Dories. [Named from 1st color, fr. F.
   dor['e]e gilded, fr. dorer to gild, L. deaurare. See
   Deaurate, and cf. Aureole.]
   1. (Zool.) A European fish. See Doree, and John Doree.
      [1913 Webster]

   2. (Zool.) The American wall-eyed perch; -- called also
      dor['e]. See Pike perch.
      [1913 Webster]