trigone [trahy-gohn] EXAMPLES|WORD ORIGIN noun Also. 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.
Origin of trigone 1825–35; French Latin trigōnum triangle; seeDictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for trigone Historical Examples of trigone
The trigone was covered by a mass consisting of pointed papill.
On the left side of the trigone a tumor with a broad base was seen, which resembled somewhat a strawberry in size and form.
trigone in Medicine trigone [trī′gōn′] n. A triangle or trigonum. The first three dominant cusps of an upper molar tooth. Related formstri•go′nal adj. The American Heritage® Stedman’s Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.