What is "underlaying"

Usage examples of "underlaying".

Suddenly it seemed to him that they were rushing straight down, and would emerge at any moment into a “basement” subspace underlaying the entire cosmos.

At one point, he splashed through a narrow stream of water, sliding over the peb­bles underlaying it.

At one point, he splashed through a narrow stream of water, sliding over the pebbles underlaying it.

We must recognise the essential underlaying savagery in the animal called man, and return to older and sounder principles of national life and defense.