the quality of having a lot of hair, especially on parts of the body other than the head

She was a small woman with excessive facial hairiness. 她身材矮小，面部毛发过多。

When I was a boy, I remember marvelling at the sheer hairiness of my father. 我记得我还是个小男孩的时候对父亲浓重的体毛不胜惊羡。