Tympanum

Tympanum
Tympanum 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. [1913 Webster]

2. (Zo["o]l.) One of the naked, inflatable air sacs on the neck of the prairie chicken and other species of grouse. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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Synonyms:
(of the ear)


Look at other dictionaries:

  • Tympanum — or timpanum or thympanon (Latin form) or tympanon (Greek form) may mean: * In biology, tympanum ndash; Eardrums * In classical architecture, tympanum is an architectural element located within the arch or Pediment * In music, timpano ndash;… …   Wikipedia

  • tympanum — drum of the ear, 1610s, from M.L. tympanum, introduced in this sense by Italian anatomist Gabriello Fallopio (1523 1562), from L. tympanum drum, from Gk. tympanon a drum, panel of a door, from root of typtein to beat, strike (see TYPE (Cf. type)… …   Etymology dictionary

  • Tympănum — (v. gr.), 1) eine dem Tambourin ähnliche Handtrommel, Handpauke, mit hohlem, halbrund gewölbtem Bauch; bes. brauchte man das T. bei dem Dienst der Kybele (s. Tympanismos) u. bei Einweihungen in die Mysterien; 2) so v.w. Pauke; 3) (Anat.),… …   Pierer's Universal-Lexikon

  • Tympanum — Tympănum (grch.), Handpauke; im Kirchenbau das mit Reliefs oder Mosaiken geschmückte Bogenfeld über dem Portal; auch das Trommelfell; ferner eine Art Schöpfrad (s.d.) …   Kleines Konversations-Lexikon

  • Tympanum — Tympanum, die alterthümliche Handpauke; beckenförmige Vertiefung in einer Wand zur Aufnahme eines Standbildes etc.; das Trommelfell …   Herders Conversations-Lexikon

  • Tympanum — ⇒ Trommelfell …   Deutsch wörterbuch der biologie

  • tympanum — ► NOUN (pl. tympanums or tympana) 1) Anatomy & Zoology the eardrum. 2) Architecture a vertical recessed triangular space forming the centre of a pediment or over a door. DERIVATIVES tympanic adjective. ORIGIN Greek tumpanon drum …   English terms dictionary

  • tympanum — [tim′pə nəm] n. pl. tympanums or tympana [tim′pənə] [L: see TYMPAN] 1. Anat. a) MIDDLE EAR b) TYMPANIC MEMBRANE 2. Zool …   English World dictionary

  • TYMPANUM — I. TYMPANUM a τύπτω, i. e. percutio, quale fuerit, antiqua numismata indicant, in quorum aversa parte Cybele Mater Deûm Tympanum in sinu gerit, vel eidem innititur. Ex im ie descripsit Plinius de margaritis agens, l. 9. c. 35. Quibus una tantum… …   Hofmann J. Lexicon universale

  • tympanum — /tim peuh neuhm/, n., pl. tympanums, tympana / neuh/. 1. Anat., Zool. a. See middle ear. b. See tympanic membrane. 2. Archit. a. the recessed, usually triangular space enclosed between the horizontal and sloping cornices of a pediment, often… …   Universalium

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