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tricuspid

American  
[trahy-kuhs-pid] / traɪˈkʌs pɪd /

adjective

  1. Also tricuspidal. having three cusps or points, as a tooth.

  2. Anatomy. of, relating to, or affecting the tricuspid valve.


noun

  1. Anatomy. a tricuspid part, as a tooth.

tricuspid British  
/ traɪˈkʌspɪd /

adjective

    1. having three points, cusps, or segments

      a tricuspid tooth

      a tricuspid valve

    2. of or relating to such a tooth or valve

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a tooth having three cusps

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
tricuspid Scientific  
/ trī-kŭspĭd /
  1. Having three points or cusps.


  1. A tooth having three points or cusps, especially a molar.

  2. See tricuspid valve

Etymology

Origin of tricuspid

1660–70; < Latin tricuspid- (stem of tricuspis ) having three points. See tri-, cuspid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is moving into other areas of cardiovascular disease, such as mitral valve replacement and tricuspid valve replacement.

From Barron's • Sep. 26, 2025

Left untreated, tricuspid regurgitation can lead to atrial fibrillation, heart failure, kidney disease and even death.

From Science Daily • Apr. 9, 2024

When a patient is on the operating table having surgery to repair their tricuspid valve - as I did in August 2020 - the medical team decides whether they also need a Glenn.

From BBC • Apr. 28, 2023

It replaces the tricuspid valve by threading a new valve into the heart, pushing aside the old in a manner similar to a method called transcatheter aortic valve replacement.

From New York Times • Mar. 4, 2023

Tricuspid insufficiency, except as rarely found in the fetus, is generally due to a relative insufficiency rather than to an actual disease of the tricuspid valve.

From Disturbances of the Heart by Osborne, Oliver T. (Oliver Thomas)