vestibule of the ear(n = noun.body) - the central cavity of the bony labyrinth of the ear;
is a kind of vestibule
is a part of ear

artery of the vestibule bulb, bear's ear, cauliflower ear, ear, ear canal, ear doctor, ear fungus, ear hole, ear lobe, ear piercing, ear specialist, ear splitting, ear trumpet, elephant ear, elephant's ear, external ear, fenestra of the vestibule, give ear, in one ear, inner ear, internal ear, lion's ear, midas's ear, middle ear, mouse ear, outer ear, play by ear, play it by ear, tin ear, to one ear, vestibule, vestibule of the vagina