trigone

About 0.17 uses per million words.

Meaning

1. noun One of the thickenings of the cell wall at the angles where several cells join.
2. noun 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

Similar words

habenular trihedron trifan triglyph tricylinder trimery linear triplet tetrahelix biangle triquetral

Often followed by

and of is or in to area are region

Word family

trigon trigons