/ Dictionary / Index S swayback: Meaning and Definition of Find definitions for: sway•back Pronunciation: (swā'bak"), [key] — Vet. Pathol. Vet. Pathol. —n. an excessive downward curvature of the spinal column in the dorsal region, esp. of horses. —adj. swaybacked. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: swayback (Thesaurus) sway swaybacked Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language