What is "unhollowed"

Usage examples of "unhollowed".

For a second their wrinkled faces stared, eyes blinked, and short, unhollowed lips stretched over yellow teeth, then, with a flutter of dark garments, the Chinese started away from the fixed beams and were gone into the shadow.

Down at the far end, Marcia saw a series of dark holes that seemed to lead back into the unhollowed body of the asteroid.