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tym·pa·numalso tim·pa·num (tĭm′pə-nəm)
n. pl. tym·pa·na (-nə) or tym·pa·nums also tim·pa·na or tim·pa·nums
a. Anatomy See middle ear.
b. See eardrum.
2. Zoology A membranous external auditory structure, as in certain insects.
a. The ornamental recessed space or panel enclosed by the cornices of a triangular pediment.
b. A similar space between an arch and the lintel of a portal or window.
4. The diaphragm of a telephone.
[Medieval Latin, from Latin, drum, from Greek tumpanon.]
(Cookery) a traditional Maltese baked pasta and pastry dish