“I have gathered a cumulus of books on my shelf, reflecting my love for literature.”

“The rising air cools and produces towering cumulus and cumulonimbus clouds.”

“The small puffy cumulus cloud takes 10 minutes to form and 10 minutes to decay.”

“The top of a cumulonimbus cloud is often capped by cirrus, which is why the anvil of a thundercloud is often brilliant white.”

“I was browsing through the magazines when he came storming up to me, face like a cumulonimbus.”

“A cumulonimbus has drifted over the spires of downtown, where it hangs like a vast gray anvil.”

“White clouds rising in the east gather into cumuli, with an increasing blackness along their lower portions.”

“We saw the skyscrapers, the tilting plane, the awful impact, the cumuli of dust engulfing the streets.”

“The moon emerged from behind a cloud, touching with a delicate sepia some fleecy edge of cumuli.”