tail·​bone | \ ˈtāl-ˌbōn \

Definition of tailbone

1 : a caudal vertebra
2 : coccyx

Examples of tailbone in a Sentence

Recent Examples on the Web

Lay your back on the roller so that your entire spine is supported from your tailbone to your head. Lauren Valenti, Vogue, "Why This Holiday Break Is a Perfect Time to Start Foam-Rolling," 28 Dec. 2018 Switch legs and then open them wide and out to each side, keeping the tailbone down and stomach pulled in and up. Zoe Ruffner, Vogue, "This Body-Sculpting Workout Is Top-Model-Approved—And Ready for the Holidays," 20 Nov. 2018 Anyone who breaks their tailbone on a river and finishes the movie is tough. John Jurgensen, WSJ, "Burt Reynolds, Star of Film and TV, Dies at Age 82," 6 Sep. 2018 Now slowly lift your trunk and gently straighten your legs, keeping your tailbone long. Holly Lebowitz Rossi, Good Housekeeping, "What to Do Right After You Throw Out Your Back," 26 July 2018 Tuck your chin in toward your chest and tailbone under. Philly.com, "4 mobility exercises to start every workout," 19 June 2018 One of his purple hearts was earned when he was wounded by a grenade; the other was earned when he was shot through the side and the bullet came out through his tailbone. Houston Chronicle, "Daughter asks for birthday wishes for veteran dad," 5 July 2018 LynLee suffered from a sacrococcygeal teratoma, a tumor that develops in utero and grows from the baby's tailbone. Sarah Schreiber, Good Housekeeping, "This Baby Girl Was Born Twice," 21 Oct. 2016 Her 12-year-old daughter Syniah Giles was also shot near her tailbone as the two walked up to the restaurant, and required surgery, according to KFOR, which cited family members. Matthew Martinez, star-telegram, "He was 'under hardcore demonic attack' before shooting three in restaurant, Okla. cops say | Fort Worth Star-Telegram," 25 May 2018

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

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First Known Use of tailbone

circa 1577, in the meaning defined at sense 1

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Statistics for tailbone

Last Updated

13 Jan 2019

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Time Traveler for tailbone

The first known use of tailbone was circa 1577

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More Definitions for tailbone



English Language Learners Definition of tailbone

: the small bone at the end of the spine


tail·​bone | \ -ˈbōn, -ˌbōn \

Medical Definition of tailbone

1 : a caudal vertebra
2 : coccyx

More from Merriam-Webster on tailbone

Rhyming Dictionary: Words that rhyme with tailbone

Britannica.com: Encyclopedia article about tailbone

Comments on tailbone

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


tremendous in size, volume, or degree

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