tricuspid valve

noun

: a valve of three flaps that prevents reflux of blood from the right ventricle to the right atrium

Examples of tricuspid valve 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.
Right ventricle: This lower chamber receives blood from the right atrium (through the tricuspid valve) and pumps it through the pulmonary valve to the lungs to be oxygenated. Patty Weasler, Rn, Bsn, Verywell Health, 13 Feb. 2025 These four chambers include: The right and left atria, which are the heart's upper chambers The right and left ventricles, which are the heart's lower chambers The tricuspid valve connects the right atrium and right ventricle, and the mitral valve connects the left atrium and ventricle. Colleen Doherty, Verywell Health, 2 Dec. 2024

Word History

First Known Use

1670, in the meaning defined above

Time Traveler
The first known use of tricuspid valve was in 1670

Dictionary Entries Near tricuspid valve

Cite this Entry

“Tricuspid valve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tricuspid%20valve. Accessed 21 Feb. 2025.

Kids Definition

tricuspid valve

noun
tri·​cus·​pid valve
(ˌ)trī-ˈkəs-pəd-
: a valve on the right side of the heart between the atrium and the ventricle that has three flaps and prevents the backward flow of blood from the ventricle to the atrium

Medical Definition

tricuspid valve

noun
: a valve that is situated at the opening of the right atrium of the heart into the right ventricle and that resembles the mitral valve in structure but consists of three triangular membranous flaps

called also right atrioventricular valve

More from Merriam-Webster on tricuspid valve

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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