Chou Collection, Upper Volume
Radical: Mouth (kǒu)
Character: piao
Kangxi stroke count: 14
Page 205, Entry 13
Pronounced piao.
Book of Odes (Shijing), Odes of Kuai: Not the carriage, it is piao.
Commentary: Piao piao means without proper moderation or restraint.
Explication of Texts (Shiwen): Piao is also written as piao.
Also, appearance of a rapid blowing wind.
Also, pronounced biao.
It means rapid, or the sound of something moving quickly.
Also, pronounced piao.
It refers to a carriage moving rapidly without moderation.
Also, in Corrected Characters (Zhengzitong): The Broad Rhymes (Guangyun) reads it like piao. Cheng Dachang in Expanded General Record (Yanfanlu) says: Contemporary songs are all derived from the unrestrained music of Zheng and Wei of antiquity, known as piao-singing. Piao is pronounced piao. Note: The Broad Rhymes lacks the piao pronunciation, so Corrected Characters is mistaken.
Shuowen (Explaining Graphs and Analyzing Characters): Originally written as the character composed of the radical for mouth and the character for drifting.