ray : nf A stingray is a fish cartilaginous with a flattened diamond-shaped body, large pectoral fins
(skate wings), with a tail bristling with spines, with delicate flesh.
Face, face.
Mouth of a ray: wide mouth, ugly face; repulsive face.
To have a stingray face: to have an unsympathetic face; an unpleasant face; an ugly, unpleasant and unpleasant face