单词 | tympanum |
释义 | Word Frequency tympanum(ˈtɪmpənəm) nounWord forms: plural -nums or -na (-nə) 1. anatomy a. the cavity of the middle ear b. another name for tympanic membrane 2. any diaphragm resembling that in the middle ear in function 3. Also called: tympan architecture a. the recessed space bounded by the cornices of a pediment, esp one that is triangular in shape and ornamented b. the recessed space bounded by an arch and the lintel of a doorway or window below it 4. music a tympan or drum 5. a scoop wheel for raising water Word origin C17: from Latin, from Greek tumpanon drum; related to Greek tuptein to beat |
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