bulb of the vestibule

bulb of the vestibule

noun

Definition of BULB OF THE VESTIBULE

: a structure in the female vulva that is homologous to the bulb of the penis and the adjoining corpus spongiosum in the male and that consists of an elongated mass of erectile tissue on each side of the vaginal opening united anteriorly to the contralateral mass by a narrow median band passing along the lower surface of the clitoris