seminal vesicle: Meaning and Definition of

sem'inal ves'icle

Pronunciation: [key]
— Anat. Anat.
  1. either of two small saclike glands, located on each side of the bladder in males, that add nutrient fluid to semen during ejaculation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.