Tympanum

Definition of Tympanum

Tym´pa`num
n.1.(Anat.) The ear drum, or middle ear. Sometimes applied incorrectly to the tympanic membrane. See Ear.
2.(Zool.) One of the naked, inflatable air sacs on the neck of the prairie chicken and other species of grouse.
3.(Arch.) The recessed face of a pediment within the frame made by the upper and lower cornices, being usually a triangular space or table.
4.(Mech.) A drum-shaped wheel with spirally curved partitions by which water is raised to the axis when the wheel revolves with the lower part of the circumference submerged, - used for raising water, as for irrigation.

Related Words

Eustachian tube, allantoic membrane, amnion, amniotic sac, anvil, arachnoid membrane, auditory apparatus, auditory canal, auditory meatus, auditory nerve, auditory ossicles, auditory tube, auricle, basement membrane, basilar membrane, bongo drum, bony labyrinth, cauliflower ear, cochlea, conch, concha, conga, conjuctiva, drum, drumhead, drumskin, drumstick, ear, ear lobe, eardrum, endolymph, external ear, hammer, hymen, incus, inner ear, jazz stick, kettle, kettledrum, lobe, lobule, lug, maidenhead, malleus, mastoid process, membrana serosa, membrana tympana, membrane, membranophone, meninges, meninx, middle ear, neurilemma, organ of Corti, outer ear, oval window, pellicle, pericardium, perilymph, perineurium, pinna, pleura, round window, secondary eardrum, semicircular canals, serosa, shell, side drum, snare, snare drum, stapes, stirrup, tabor, taboret, tabret, tam-tam, tambourine, tenor drum, timbrel, timpani, tom-tom, troll-drum, tymp stick, tympan, tympanic cavity, tympanic membrane, tympanon, velum, vestibule, war drum
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Tylarus
Tyler
Tylopoda
Tylosis
Tymbal
Tymp
Tympan
Tympan sheet
Tympanal
Tympanic
Tympanic bone
Tympanic membrane
Tympanist
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Tynd
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Type foundry
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