Dorse /(?)/

Dorse

n.
  1. Same as dorsal, n. [Obs.]
  2. The back of a book. [Obs.]
    Books, all richly bound, with gilt dorses.
    — Wood.

Dorse

n.
  1. The Baltic or variable cod (Gadus callarias), by some believed to be the young of the common codfish. (Zool.)