WordReference Random House Unabridged Dictionary of American English © 2025
tri•gone
(trī′gōn),USA pronunciation n.
- Also, trigonum.[Anat.]
- 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.
- [Bot.]a thickened area where three or more plant cells come together.
- Latin trigōnum triangle; see trigon
- French
- 1825–35
'trigone' also found in these entries (note: many are not synonyms or translations):