tricuspid

1 of 2

adjective

tri·​cus·​pid (ˌ)trī-ˈkə-spəd 

1

: having three cusps

a tricuspid molar

2

: of, relating to, or involving the tricuspid valve of the heart

tricuspid regurgitation

tricuspid

2 of 2

noun

: a tricuspid anatomical structure having three projections: such as

a

: a tooth having three cusps

b

: tricuspid valve

Example Sentences

Recent Examples on the Web

Adjective

Two valves, tricuspid (at left in the image) and mitral (right), control blood flow into the next chamber of the heart. —Discover Magazine, 29 June 2010

At systole, when the heart contracts, the valves at the bases of the great vessels (pulmonic and aortic) open, while those between the atria and ventricles (tricuspid and mitral) close. —Tony Dajer, Discover Magazine, 18 June 2022

From pre-op to last day, the size of Asjia’s heart decreased drastically, her pressure levels went back to normal, the mitral and tricuspid valves were functioning properly and there was no more valve leakage, said her surgeon Dr. Hani Najim. —Nick Moyle, ExpressNews.com, 8 Aug. 2020

Noun

In addition to the aortic valve, there are three others: the mitral, the tricuspid and the pulmonary. —Marlene Cimons, Washington Post, 10 June 2018

Word History

Etymology

Adjective

Latin tricuspid-, tricuspis, from tri- + cuspid-, cuspis point

First Known Use

Adjective

1834, in the meaning defined at sense 1

Noun

1856, in the meaning defined above

Phrases Containing tricuspid

• tricuspid valve

• tricuspid valve

Medical Definition

tricuspid

1 of 2 adjective

tri·​cus·​pid (ˈ)trī-ˈkəs-pəd 

1

: having three cusps

tricuspid molars

2

: of, relating to, or involving the tricuspid valve of the heart

tricuspid disease

tricuspid

2 of 2 noun

: a tricuspid anatomical structure

especially : a tooth having three cusps