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tricuspid

adjective tri·cus·pid \ (ˌ)trī-ˈkə-spəd \
|Updated on: 28 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

Recent Examples of tricuspid from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tricuspid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of tricuspid

1856

in the meaning defined above

See Words from the same year
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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

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