尻 尻 kao1
coccyx; tailbone at end of spine; rear joint of meat animal

strokes 5
radical
尸
尸
strokes after radical 2
尻骨 尻骨 kao1 gu3
coccyx; tailbone at end of spine

尻门子 尻門子 kao1 men2 zi5
anus (rural coll.)