Going straight forward they came suddenly to a great crack in the ground, a black gap twenty feet wide or more, right across their way.

The shapes of land were very clear on it and he was rocketing straight into a black gap.

The light from the opening showed a black gap not far inside.

He hesitated one more moment, and then turned into the black gap between the houses.

He drew his sword and looked toward a black gap in the nearby tower.

There was a black gap between two of his front teeth.

Relief had been immediate, but it left a black gap in her smile.

There was a black gap where teeth had been behind the swollen purple lips.

Wolf went past him like a shadow, and vanished into the black gap.

From Earth it appears as a thin black gap in the rings.