"Yùpiān" (玉篇) pronounces it as lǔ táng qiè. "Guǎngyùn" (广韵) pronounces it as lǔ dāng qiè. "Jíyùn" (集韵) pronounces it as lú dāng qiè, with the same pronunciation as "láng" (郎). "Shuōwén Jiězì" (说文解字) explains it as meaning "㝩". "Yùpiān" (玉篇) explains it as the appearance of a spacious house. Also, "Guǎngyùn" (广韵) pronounces it as lú dǎng qiè. "Jíyùn" (集韵) and "Lèipiān" (类篇) pronounce it as lǐ dǎng qiè, with the same pronunciation as "lǎng" (朗). It means empty or void. Also, "Yùpiān" (玉篇) pronounces it as lì dàng qiè, with the same pronunciation as "làng" (浪). The meaning is the same.