tailbone

noun

tail·​bone ˈtāl-ˌbōn How to pronounce tailbone (audio)
1
: a caudal vertebra
2
: coccyx

Examples of tailbone in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
At the end of the exhale, tuck your tailbone and lift your hips 3 to 4 inches off the floor, keeping your lower back flat. — Dana Santas, CNN, 12 Mar. 2025 Balance on your tailbone, and bring your shins parallel to the floor with the knees still bent. — Jenny McCoy, SELF, 19 Feb. 2025 Your specific treatment will depend on the looseness or tightness of your pelvic floor muscles, which stretch from the pubic bone to the tailbone. — Sarah Scott, Parents, 5 Feb. 2025 Four of these were crew members complaining of chest discomfort due to smoke inhalation, while three others, including a woman in her 70s and two people in their 50s, reported pain in their tailbones and backs. — Jonathan Granoff, Newsweek, 29 Jan. 2025 See All Example Sentences for tailbone

Word History

First Known Use

circa 1577, in the meaning defined at sense 1

Time Traveler
The first known use of tailbone was circa 1577

Rhymes for tailbone

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Cite this Entry

“Tailbone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tailbone. Accessed 24 Mar. 2025.

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Medical Definition

tailbone

noun
tail·​bone -ˈbōn, -ˌbōn How to pronounce tailbone (audio)
1
: a caudal vertebra
2
: coccyx

More from Merriam-Webster on tailbone

Britannica.com: Encyclopedia article about tailbone

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