Synonyms to caldron

anvil, Eustachian tube, alembic, auditory apparatus, auditory canal, auditory meatus, auditory nerve, auditory ossicles, auditory tube, auricle, basilar membrane, bony labyrinth, 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, Bunsen burner, Erlenmeyer flask, Kipp generator, aspirator, beaker, blowpipe, burette, capillary tube, condenser, deflagrating spoon, desiccator, distiller, etna, matrass, pestle and mortar, pipette, precision balance, reagent bottle, receiver, still, acid tes