sphincter

noun
sphinc·​ter | \ ˈsfiŋ(k)-tər How to pronounce sphincter (audio) \

Definition of sphincter

: an annular muscle surrounding and able to contract or close a bodily opening

Other Words from sphincter

sphincteric \ sfiŋ(k)-​ˈter-​ik How to pronounce sphincter (audio) \ adjective

Examples of sphincter in a Sentence

Recent Examples on the Web But if your lower esophageal sphincter is malfunctioning for some reason, those acids can bubble their way back up into your esophagus, causing a burning sensation. Elizabeth Millard, SELF, 19 Oct. 2021 There are several options, but one of the most effective and reliable treatments is an artificial urinary sphincter. Dr. Keith Roach, oregonlive, 17 Apr. 2021 There are several options, but one of the most effective and reliable treatments is an artificial urinary sphincter. Dr. Keith Roach, oregonlive, 17 Apr. 2021 There are several options, but one of the most effective and reliable treatments is an artificial urinary sphincter. Dr. Keith Roach, oregonlive, 17 Apr. 2021 There are several options, but one of the most effective and reliable treatments is an artificial urinary sphincter. Dr. Keith Roach, oregonlive, 17 Apr. 2021 There are several options, but one of the most effective and reliable treatments is an artificial urinary sphincter. Dr. Keith Roach, oregonlive, 17 Apr. 2021 There are several options, but one of the most effective and reliable treatments is an artificial urinary sphincter. Dr. Keith Roach, oregonlive, 17 Apr. 2021 There are several options, but one of the most effective and reliable treatments is an artificial urinary sphincter. Dr. Keith Roach, oregonlive, 17 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sphincter.' 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 sphincter

1578, in the meaning defined above

History and Etymology for sphincter

Late Latin, from Greek sphinktēr, literally, band, from sphingein to bind tight

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Time Traveler for sphincter

Time Traveler

The first known use of sphincter was in 1578

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Dictionary Entries Near sphincter

Sphex

sphincter

sphincter ani

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Statistics for sphincter

Last Updated

24 Oct 2021

Cite this Entry

“Sphincter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sphincter. Accessed 9 Dec. 2021.

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More Definitions for sphincter

sphincter

noun

English Language Learners Definition of sphincter

: a ring-shaped muscle that surrounds a body opening and that can tighten to close the opening

sphincter

noun
sphinc·​ter | \ ˈsfiŋ(k)-tər How to pronounce sphincter (audio) \

Medical Definition of sphincter

: an annular muscle surrounding and able to contract or close a bodily opening — see anal sphincter, cardiac sphincter, precapillary sphincter, pyloric sphincter

Other Words from sphincter

sphincteral \ -​t(ə-​)rəl How to pronounce sphincter (audio) \ adjective

More from Merriam-Webster on sphincter

Britannica English: Translation of sphincter for Arabic Speakers

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