Hai Collection, Upper Volume
Radical: Carriage (bù)
Po
Kangxi stroke count: 15
Page 1435, Entry 25
Broad Rhymes (Guangyun): Pronounced bo
Collection Rhymes (Jiyun): Pronounced bo
Jade Chapters (Yupian): Po'e, a horse shaking its head.
Broad Rhymes (Guangyun): Po'e, a horse walking in a vicious manner.
Du Fu, Poem on Viewing Chengdu Governor Yan Gong Raising the Banner: The courtyard is empty as the four horses enter, shaking their heads with flags flying.
Also meaning high and great appearance.
Yang Xiong, Rhapsody on Sweet Springs (Ganquan Fu): The towering of the hills is po'e.
Commentary: The meaning is shared with po'e (a variant form indicating a towering appearance).
Also, Tang Rhymes (Tangyun) and Collection Rhymes (Jiyun): Pronounced po. The meaning is the same.