About The Word Tympanum
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Tympanum
| Tympanum Definition And Meaning |
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What's The Definition Of Tympanum?
[n] a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it
[n] the membrane in the ear that vibrates to sound [n] the main cavity of the ear; between the eardrum and the inner ear Synonyms | Synonyms for Tympanum: eardrum | kettle | kettledrum | middle ear | myringa | timpani | tympani | tympanic cavity | tympanic membrane Related Terms | Find terms related to Tympanum: See Also | anvil | auditory apparatus | auditory tube | bodily cavity | bonelet | cavity | cavum | ear | Eustachian tube | hammer | incus | malleus | membrane | ossicle | ossiculum | percussion instrument | percussive instrument | perforated eardrum | stapes | stirrup | tissue layer | umbo Tympanum In Webster's Dictionary \Tym"pa*num\, n.; pl. E. {Tympanums}, L. {Tympana}.
[L., a kettledrum, a drum or wheel in machines, the
triangular area in a pediment, the panel of a door, Gr. ?, ?,
fr. ? to strike, beat. See {Type}, and cf. {Timbrel}.]
1. (Anat.)
(a) The ear drum, or middle ear. Sometimes applied
incorrectly to the tympanic membrane. See {Ear}.
(b) A chamber in the anterior part of the syrinx of birds.
2. (Zo["o]l.) One of the naked, inflatable air sacs on the
neck of the prairie chicken and other species of grouse.
3. (Arch.)
(a) The recessed face of a pediment within the frame made
by the upper and lower cornices, being usually a
triangular space or table.
(b) The space within an arch, and above a lintel or a
subordinate arch, spanning the opening below the arch.
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.
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