Pertaining to a sheath; sheathing; resembling a sheath: as, a vaginal membrane.Specifically, of or pertaining to the vagina of the female: as, vaginal mucous membrane; a vaginal syringe.The branches of the hepatic artery which supply the nails of the ducts and blood-vessels and Glisson's capsule in the liver, more commonly called the vaginal branches of the hepatic artery.A venous anastomosis in the wall of the vagina.The tunica vaginalis testis. See tunica.