A flat nose Most restrain this word to the nose, and to some great deformity relating to it. But according to others it signifies, more generally, a person that wants some member or members, because the next word, to which it is opposed, signifies one that hath more members than he should.
Related Commentaries of Leviticus 21:18
Leviticus 21:18
18 For whatsoever man he be that hath a blemish, he shall not approach: a blind man, or a lame, or he that hath a flat nose, or any thing superfluous,