splay foot

名词 splay foot:

1. a foot afflicted with a fallen arch; abnormally flattened and spread out
   同义词：flatfoot, splayfoot, pes planus

形容词 splay foot:

1. having feet that turn outward
   同义词：splayfooted, splayfoot

1. He has splay feet.
   他是外八字脚。