叢むら雲くも

noun

gathering clouds; cluster of clouds

Refers to clouds that are clustered or massed together, often in a picturesque or poetic context. Not a technical meteorological term.

• 空そらに叢むら雲くもが広ひろがっている。

  Clusters of clouds are spreading across the sky.

• 夕ゆう焼やけに叢むら雲くもが美うつくしく染そまった。

  The gathering clouds were beautifully dyed by the sunset.