internal ear(n = noun.body) inner ear, labyrinth - a complex system of interconnecting cavities; concerned with hearing and equilibrium;
is a kind of receptor, sense organ, sensory receptor
is a part of auditory apparatus
has parts: neuroepithelium, membranous labyrinth, bony labyrinth, osseous labyrinth, endolymph, perilymph, semicircular canal, cochlea, artery of the labyrinth, internal auditory artery, labyrinthine artery, internal auditory vein, labyrinthine vein

bear's ear, cauliflower ear, collector of internal revenue, 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, female internal reproductive organ, give ear, in one ear, inner ear, internal, internal angle, internal auditor, internal auditory artery, internal auditory vein, internal carotid artery, internal cerebral vein, internal combustion, internal control, internal drive, internal iliac artery, internal iliac vein, internal jugular vein, internal maxillary artery, internal medicine, internal organ, internal representation, internal respiration, internal revenue, internal revenue agent, internal revenue service, internal rhyme, internal secretion, internal spermatic artery, lion's ear, male internal reproductive organ, midas's ear, middle ear, mouse ear, outer ear, play by ear, play it by ear, tin ear, to one ear, vestibule of the ear