prostate gland: Meaning and Definition of

pros'tate gland"

Pronunciation: [key]
— Anat. Anat.
  1. an organ that surrounds the urethra of males at the base of the bladder, comprising a muscular portion, which controls the release of urine, and a glandular portion, which secretes an alkaline fluid that makes up part of the semen and enhances the motility and fertility of sperm.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.