Pinna

1. (n.) A leaflet of a pinnate leaf. See Bipinnate.

2. (n.) One of the primary divisions of a decompound leaf.

3. (n.) One of the divisions of a pinnate part or organ.

4. (n.) Any species of Pinna, a genus of large bivalve mollusks found in all warm seas. The byssus consists of a large number of long, silky fibers, which have been used in manufacturing woven fabrics, as a curiosity.

5. (n.) The auricle of the ear. See Ear.

Thesaurus Entries

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