bi·​cus·​pid | \ (ˌ)bī-ˈkə-spəd How to pronounce bicuspid (audio) \

Definition of bicuspid

 (Entry 1 of 2)

: having or ending in two points bicuspid teeth an abnormal bicuspid aortic valve



Definition of bicuspid (Entry 2 of 2)

: a human premolar tooth — see tooth illustration

Examples of bicuspid in a Sentence

Recent Examples on the Web: Adjective Those tests revealed a bicuspid aortic valve defect. Mark Craig, Star Tribune, 29 May 2021 Towards the end of his 12-year career, Boone underwent open heart surgery in March 2009 to replace the bicuspid aortic valve, which may cause the heart’s aortic valve to narrow, reducing or blocking blood flow. Larry Fleisher, Forbes, 3 Mar. 2021 This feels like the first generation of the Soul, which was Jeep-like in its bicuspid jostling. Tribune News Service, cleveland, 5 Dec. 2020 The condition — a bicuspid aortic valve which caused his heart to enlarge — was found after Smith tested positive for coronavirus earlier this month. Jason Duaine Hahn,, 26 Aug. 2020 Smith announced the diagnosis Saturday in an Instagram post and said the open heart surgery will fix a bicuspid aortic valve. Lorenzo Reyes, USA TODAY, 9 Aug. 2020 Dampf, who was born with a bicuspid aortic valve disease, recently underwent open heart surgery, but was able to return for the tournament. Jared Silberkleit,, 1 June 2017 Recent Examples on the Web: Noun Since the cardiac issue can be known to be hereditary, Mary Toland took her children to be tested at Boston Children’s Hospital, where Owen, the oldest of four, was found to have been born with a leaking bicuspid aortic valve., 5 June 2018 The document alleges that Paxton consulted Khoynezhad, Cedars-Sinai and other defendants in connection with cardiac conditions that included bicuspid aortic valve and aortic aneurysm. Robert Philpot, star-telegram, 12 Feb. 2018 Hockey players have teeth knocked out all the time–those jokes about bicuspids being swept up in the Zamboni filter are no jokes–and most return to action almost immediately. Mark Purdy, The Mercury News, 11 Apr. 2017

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


1752, in the meaning defined above


1816, in the meaning defined above

History and Etymology for bicuspid


New Latin bicuspid-, bicuspis, from bi- + Latin cuspid-, cuspis point

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Time Traveler for bicuspid

Time Traveler

The first known use of bicuspid was in 1752

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Statistics for bicuspid

Last Updated

9 Jun 2021

Cite this Entry

“Bicuspid.” Dictionary, Merriam-Webster, Accessed 20 Jun. 2021.

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More Definitions for bicuspid


bi·​cus·​pid | \ bī-ˈkə-spəd How to pronounce bicuspid (audio) \

Kids Definition of bicuspid

: either of the two teeth with double points on each side of each jaw of a person


bi·​cus·​pid | \ (ˈ)bī-ˈkəs-pəd How to pronounce bicuspid (audio) \

Medical Definition of bicuspid

 (Entry 1 of 2)

: having or ending in two points bicuspid teeth



Medical Definition of bicuspid (Entry 2 of 2)

: either of the two double-pointed teeth that in humans are situated between the canines and the molars on each side of each jaw : premolar sense 1

More from Merriam-Webster on bicuspid

Nglish: Translation of bicuspid for Spanish Speakers


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