精囊腺 jīngnángxiàn seminal vesicle Origin Definitions Defs Strokes Stroke Words Sentences Sents 精囊 jīngnáng seminal vesicle A pair of glands in the male reproductive system of humans and other vertebrates that secrete a component of semen腺 xiàn noun gland gland; organ or group of cells that produces and secretes chemical substances