whirlwindcloud
nounUK /ˈwɜːlwɪnd klaʊd/
US /ˈwɜːrlwɪnd klaʊd/
A whirlwindcloud is a big cloud that spins around like a top.
The pilot flew around the dark whirlwindcloud to keep the plane safe.
OTHER MEANINGS
2. A cloud shaped like a spiral or swirl.
The children pointed at the whirlwindcloud that looked like a giant snail shell.
3. A fast-moving mass of cloud and wind.
A whirlwindcloud swept across the field, bending the tall grass.
4. A swirling pattern of dust or mist that looks like a cloud.
The whirlwindcloud of dust followed the tractor down the road.