also: かぜくも
noun
clouds that appear before the wind blows
Refers to clouds that are seen as a sign of an approaching wind, often in a poetic or descriptive context. The reading かざぐも is typical for this sense.
山の向こうに風雲が立ちこめている。
Clouds that herald the wind are gathering beyond the mountains.
noun
winds and clouds
A compound referring to wind and clouds together, often used in literary or figurative expressions. The reading かぜくも is especially associated with this sense.
See also: 風雲 (ふううん)
風雲の変化が激しい季節だ。
It's a season of rapid changes in winds and clouds.
The reading ふううん is a separate entry with a broader figurative meaning, such as 'the winds of change' or 'turbulent times', while かざぐも/かぜくも refers more literally to clouds and wind.
Compound of 風 (kaze, 'wind') and 雲 (kumo, 'cloud'), with rendaku voicing in かざぐも. The exact historical derivation of the two readings is uncertain.