What is "cumulous"

Usage examples of "cumulous".

Texas and Rhode Island evolved from a common ancestor"), or, supposing the people were Bible Belt creationists, as if God had made the states, had sat down at his big cumulous desk with his big titanium pen in his big creative fist and said in his big boom-boom voice, "I think I'll make Louisiana look like a Frankenstein boot.

The skyscraper was like a spike of gray ice probing up at the placid cumulous clouds.