[ trahy-gohn ]
/ ˈtraɪ goʊn /


Also trigonum. Anatomy.
  1. a triangular part or area.
  2. the area on the floor of the urinary bladder between the opening of the urethra in front and the two ureters at the sides.
Botany. a thickened area where three or more plant cells come together.

Nearby words

  1. trigon,
  2. trigon.,
  3. trigonal,
  4. trigonal trisoctahedron,
  5. trigonally,
  6. trigone of bladder,
  7. trigonid,
  8. trigonitis,
  9. trigonocephaly,
  10. trigonometric equation

Origin of trigone

1825–35; < French < Latin trigōnum triangle; see trigon Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trigone

Medicine definitions for trigone


[ trīgōn′ ]


A triangle or trigonum.
The first three dominant cusps of an upper molar tooth.
Related formstri•gonal adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.