swayback

American  

[swey-bak] / ˈsweɪˌbæk /

noun

1. an excessive downward curvature of the spinal column in the dorsal region, especially of horses.

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adjective

1. swaybacked.

Etymology

Origin of swayback

An Americanism dating back to 1865–70; sway + back ¹

Example Sentences

Such was the case with Old Man Winter, a 28-year-old white swayback who was Houck’s first rescue in 2009.

From Seattle Times • Apr. 23, 2022

In grade school, she’d ride her pony - a swayback named Ribbon - and hitch it outside the front door.

From Washington Times • Feb. 3, 2018

Lordosis, or swayback, is an excessive anterior curvature of the lumbar region and is most commonly associated with obesity or late pregnancy.

From Textbooks • Jun. 19, 2013

Avoid lying on the belly, a position that increases the spine's lumbar curve, causing that familiar sagging called swayback.

From Time Magazine Archive

He did not care to know the odds of a basset hound developing swayback, or by what process part of an earthworm could make itself whole.

From "Typical American" by Gish Jen