单词	swayback
释义	swayback noun sway·​back ˈswā-ˌbak  1 : an abnormally hollow condition or sagging of the back found especially in horses also : a sagging back 2 : abnormally exaggerated forward curvature of the lumbar and cervical regions of the spine : lordosis sense 2 Rarely is swayback a sign of anything serious. If you're in doubt, compare the posture of your child with that of other toddlers. Parenting Example Sentences Recent Examples on the Web Sarge is a swayback appaloosa, retired from ranch work who was headed to slaughter. Denise Coffey, Courant Community, 19 Sep. 2017 While the swayback roofline looked like there might be foundation problems, Scott consulted several engineers only to learn there was no problem — just an eccentric design element Dilbeck often used to instantly age his homes. By Gaile RobinsonPhotos By Paul Moseley, star-telegram, 2 Aug. 2017 Word History First Known Use 1821, in the meaning defined at sense 1 Medical Definition swayback noun sway·​back ˈswā-ˌbak, -ˈbak  1 : an abnormally hollow condition or sagging of the back found especially in horses also : a back so shaped 2 : lordosis sense 2 3 : a copper-deficiency disease of young or newborn lambs that is marked by demyelination of the brain resulting in weakness, staggering gait, and collapse and is almost universally fatal but is readily preventable by copper supplementation of the diet of the pregnant ewe
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