Webster's Revised Unabridged Dictionary · 1913

Dorse

Dorse , noun

[Compare Latin dorsum the back. See Dorsel, Dosel.]

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

Dorse , noun

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