- an excessive downward curvature of the spinal column in the dorsal region, especially of horses.
Origin of swayback
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sway-back
Some woodworkers give their saws a slight camber, or belly, to correspond with the sway-back.Farm Mechanics
Herbert A. Shearer
- vet science an abnormal sagging or concavity of the spine in older horses
- a paralytic disease of new-born and young lambs caused by demyelination of the central nervous system due to copper deficiency