According to "Jiyun" (集韵), the pronunciation is pronounced pi (falling tone), same as "pi" (劈). "Yupian" (玉篇) explains it as a ribbon woven from silk. Also, in "Jiyun" (集韵), the pronunciation is pronounced xue (falling tone), same as "xue" (薛). It is also pronounced bo ge (falling tone), same as "ge" (繴). The meanings are the same. Furthermore, in "Jiyun" (集韵), the pronunciation is pronounced bi yi (rising tone), same as "bi" (璧). "Leipian" (类篇) explains "lan lan" (䌞䌟) as silk wadding.