[ trahy-kuhs-pid ]
/ traɪˈkʌs pɪd /


Also tri·cus·pi·dal. having three cusps or points, as a tooth.Compare bicuspid.
Anatomy. of, relating to, or affecting the tricuspid valve.


Anatomy. a tricuspid part, as a tooth.

Origin of tricuspid

1660–70; < Latin tricuspid- (stem of tricuspis) having three points. See tri-, cuspid Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tricuspid

British Dictionary definitions for tricuspid


/ (traɪˈkʌspɪd) anatomy /

adjective Also: tricuspidal

  1. having three points, cusps, or segmentsa tricuspid tooth; a tricuspid valve
  2. of or relating to such a tooth or valve


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

Medicine definitions for tricuspid


[ trī-kŭspĭd ]


An organ or a part, especially a tooth, having three cusps.


Having three points, prongs, or cusps.
Of or relating to the tricuspid valve.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for tricuspid


[ trī-kŭspĭd ]


Having three points or cusps.


A tooth having three points or cusps, especially a molar.
See tricuspid valve.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.