The lahars had left behind a gray mass which covered the entire town.
What he looked at was solid, a slowly moving gray mass through which the sun could not penetrate.
I looked out at the great gray mass of the ship rising from the water.
This gray mass about us was more than a physical presence.
At the last possible instant he moved them to the left, away from the center of the toppling gray mass.
A dark gray mass rose off to the right of the aircraft, several thousand feet ahead.
He bent down and laid his open hand on the gray mass.
To one side hung the great gray mass of the Plan cruiser, no longer an enemy.
Evening found her in despair at the crude grey mass.
He grinned to his right and jumped left, into the gray mass.