seminal vesicle

noun Anatomy.

1. either of two small saclike glands, located on each side of the bladder in males, that add nutrient fluid to semen during ejaculation.

n.

1. Either of a pair of pouchlike glands situated on each side of the male urinary bladder that secrete seminal fluid and nourish and promote the movement of spermatozoa through the urethra.gonecyst seminal gland