1. A lip, commonly the upper one, having a fissure of perpendicular division like that of a hare, resulting in a speech impediment.
2. A person with a harelip.
Congenital facial deformity, a cleft in the upper lip and jaw, which may extend back into the palate (cleft palate). It can be remedied by surgery.
Urođena deformacija gornje usne, rešava se operacijom.