Entry 3 senses · 2 variants Webster, 1913 Dorse · IPA /dɔː(ɹ)s/ n. n. 01 n. Same as dorsal, n. 1. Same as dorsal, n.[Obs.] See: dorsal 2. The back of a book.[Obs.] “Books, all richly bound, with gilt dorses.” — Wood. 02 n. The Baltic or variable cod (Gadus callarias), by some believed to be the young of the common codfish. 1. The Baltic or variable cod (Gadus callarias), by some believed to be the young of the common codfish.(Zool.)