noun
fleecy clouds; cumulus clouds
Refers to fluffy, cotton-like clouds, especially cumulus. Often used in poetic or descriptive contexts.
See also: 積雲
空に大きな綿雲が浮かんでいる。
A big fleecy cloud is floating in the sky.
綿雲が羊のように見える。
The fleecy clouds look like sheep.