| 单词 | organum | 
| 释义 | or·ga·num 1   (ôrgə-nəm) n. pl.   or·ga·na (-nə) or   or·ga·nums   Any of several types of medieval vocal polyphony, usually based on Gregorian chant. [Medieval Latin, from Late Latin, church organ, from Latin, instrument; see  ORGAN.] | 
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