姑洗
こせん
noun (common) (futsuumeishi)
see: 下無
see: 十二律
(in China) 5th note of the ancient chromatic scale (approx. F sharp)
third lunar month
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古銭
こせん
noun (common) (futsuumeishi)
old coin
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弧線
こせん
noun (common) (futsuumeishi)
arc (of a circle)
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