WordReference Random House Unabridged Dictionary of American English © 2026
fun′nel cloud′,
- Meteorologya rapidly rotating funnel-shaped cloud extending downward from the base of a cumulonimbus cloud, which, if it touches the surface of the earth, is a tornado or waterspout. Also called pendant cloud, tornado cloud, tuba.
'funnel cloud' also found in these entries (note: many are not synonyms or translations):