swayback

noun sway·back \ ˈswā-ˌbak \

Definition of swayback

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 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

Recent Examples of swayback from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'swayback.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of swayback

1821


Medical Dictionary

swayback

noun sway·back \ ˈswā-ˌbak, -ˈbak \

medical Definition of swayback

1 : an abnormally hollow condition or sagging of the back found especially in horses; also : a back so shaped
2 : lordosis 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

swaybacked

play \-ˌbakt\ adjective

Seen and Heard

What made you want to look up swayback? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to make fruitful or productive

Get Word of the Day daily email!

Test Your Vocabulary

Star Wars Words Quiz

  • cu-jedi-training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!