Dĭ (Shēng dĭ / Shēngdĭ) (-)
original: 底 (笙底)
bottom of the cup of a mouth organ with a circular (cup/bowl-shaped) wind chest
Bottom of the cup of the Yuán shēng.
张跃进 [Zhāng Yuèjìn]: 笙教学教程 [Shēng jiàoxué jiàochéng; Shēng teaching course], 北京 (Běijīng), 2012, p.3.
汉英词典 (Hàn Yīng cídiǎn) / A Chinese-English dictionary. 北京 [Běijīng], 1985, p.146.