Source : Webster's Revised Unabridged Dictionary (1913)

Dorse \Dorse\, n. (Zo["o]l.)
   The Baltic or variable cod ({Gadus callarias}), by some
   believed to be the young of the common codfish.

Dorse \Dorse\, n. [Cf. L. dorsum the back. See {Dorsel},
   {Dosel}.]
   1. Same as {dorsal}, n. [Obs.]

   2. The back of a book. [Obs.]

            Books, all richly bound, with gilt dorses. --Wood.