trigone

[ trahy-gohn ]

/ ˈtraɪ goʊn /

|

noun

Also trigonum. Anatomy.

a triangular part or area.
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

trigo, trigon, trigon., trigonal, trigonal trisoctahedron, trigone, trigone of bladder, trigonid, trigonitis, trigonocephaly, trigonometric equation

Origin of trigone

1825–35; < French < Latin trigōnum triangle; see trigon

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trigone

On the left side of the trigone a tumor with a broad base was seen, which resembled somewhat a strawberry in size and form.
Scientific American Supplement, No. 648, June 2, 1888.|Various
The trigone was covered by a mass consisting of pointed papill.
Scientific American Supplement, No. 648, June 2, 1888.|Various

Medicine definitions for trigone

trigone

[ trī′gōn′ ]

n.

A triangle or trigonum.

The first three dominant cusps of an upper molar tooth.

Related forms

tri•go′nal adj.

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