1. (n.) A name applied to various marine univalve shells; esp. to those of the genus Strombus, which are of large size. S. gigas is the large pink West Indian conch. The large king, queen, and cameo conchs are of the genus Cassis. See Cameo.

2. (n.) In works of art, the shell used by Tritons as a trumpet.

3. (n.) One of the white natives of the Bahama Islands or one of their descendants in the Florida Keys; -- so called from the commonness of the conch there, or because they use it for food.

4. (n.) See Concha, n.

5. (n.) The external ear. See Concha, n., 2.

Eustachian tube alembic auditory apparatus auditory canal auditory meatus auditory nerve auditory ossicles auditory tube auricle basilar membrane bony labyrinth caldron cauliflower ear cochlea conch concha crucible drumhead ear ear lobe eardrum endolymph engine external ear hammer incus inner ear lathe lobe lobule lug machine malleus mastoid process melting pot middle ear mortar motor organ of Corti outer ear oval window perilymph pinna retort round window secondary eardrum semicircular canals shell stapes stirrup test tube transducer transformer tympanic cavity tympanic membrane tympanum vestibule