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swayback

[swey-bak]Veterinary Pathology
noun
  1. an excessive downward curvature of the spinal column in the dorsal region, especially of horses.
adjective
  1. swaybacked.

Origin of swayback

An Americanism dating back to 1865–70; sway + back1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sway-back

Historical Examples of sway-back

  • Some woodworkers give their saws a slight camber, or belly, to correspond with the sway-back.

    Farm Mechanics

    Herbert A. Shearer

British Dictionary definitions for sway-back

sway-back

noun
  1. vet science an abnormal sagging or concavity of the spine in older horses
  2. a paralytic disease of new-born and young lambs caused by demyelination of the central nervous system due to copper deficiency
Derived Formssway-backed, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012