D defs.my
Entry 1 sense Webster, 1913

Trigone

· Tri·gone · IPA /trɪˈɡəʊn/
01 n. A smooth triangular area on the inner surface of the bladder, limited by the apertures of the ureters and urethra.
  1. 1.
    A smooth triangular area on the inner surface of the bladder, limited by the apertures of the ureters and urethra.(Anat.)