Merriam-Webster Logo
SINCE 1828
Menu
×
1

tricuspid

adjective tri·cus·pid \ (ˌ)trī-ˈkə-spəd \
|Updated on: 12 Jun 2018

Definition of tricuspid

1 : having three cusps
  • a tricuspid molar
2 : of, relating to, or involving the tricuspid valve of the heart
  • tricuspid regurgitation

Origin and Etymology of tricuspid

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

2

tricuspid

noun

Definition of tricuspid

: a tricuspid anatomical structure having three projections: such as
a : a tooth having three cusps
b : tricuspid valve

First Known Use of tricuspid

1856

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

1

tricuspid

adjective tri·cus·pid \ (ˈ)trī-ˈkəs-pəd \

medical Definition of tricuspid

1 : having three cusps
  • tricuspid molars
2 : of, relating to, or involving the tricuspid valve of the heart
  • tricuspid disease
2

tricuspid

noun

medical Definition of tricuspid

: a tricuspid anatomical structure; especially : a tooth having three cusps

Seen and Heard

What made you want to look up tricuspid? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

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

WORD OF THE DAY

voracity

play

the quality or state of being insatiable

Get Word of the Day daily email!

TRENDING NOW

  1. asylum 'protection from arrest and extradition given especially to political refugees'

  2. insubordinate 'disobedient to authority'

  3. promulgate 'to make known by open declaration'

  4. epochal 'momentous or unparalleled'

  5. clemency 'merciful treatment of someone who could be given harsh punishment'

SEE ALL

BROWSE DICTIONARY

tricuspid

Test Your Vocabulary

Words for Summer: A Quiz

  • a-closeup-of-a-sunflower
  • Which of the following words means “of or relating to summer”?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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

Words at Play

Ask the Editors

Word Games