Meaning of 呂旋 in Japanese

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Definition of 呂旋

りょせん(ryosen) 【呂旋】

(n) Japanese seven-tone gagaku scale (corresponding to: so, la, ti, do, re, mi, fa), similar to Mixolydian mode →Related words: 律旋

りょせんぽう(ryosenpou) 【呂旋法】

(n) Japanese seven-tone gagaku scale (corresponding to: so, la, ti, do, re, mi, fa), similar to Mixolydian mode →Related words: 律旋法