We don't have synonyms for trigone yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are trigon, tritone and erigone.
(n) :
(anatomy) A smooth triangular area on the inner surface of the bladder, bounded by the apertures of the ureters and urethra; a similar region of a mitral valve
(n) :
(botany) One of the thickenings of the cell wall at the angles where several cells join.
(n) :
(anatomy) A smooth triangular area on the inner surface of the bladder, bounded by the apertures of the ureters and urethra; a similar region of a mitral valve
(n) :
(botany) One of the thickenings of the cell wall at the angles where several cells join.