Definition of "cheekbone"

She was like a Beardsley Salome, he had said. And indeed she had the narrow eyes and the high cheekbone of that creature, and as nearly the sinuosity as is compatible with human symmetry.

1922, Ben Travers, chapter 1, in A Cuckoo in the Nest‎

A youngish-looking man came up to him, and aggressive-looking type with a hook mouth, a lantern nose, and small beady little cheekbones.

1982, Douglas Adams, Life, the Universe and Everything, page 113