funnel cloud

noun

funnel cloud

noun
1

Climatology, Meteorology, Natural sciences A tapering, rapidly rotating cloud descending from a larger storm cloud, indicating the presence of an intense vortex, which potentially becomes a tornado if it reaches the ground.

  • When we saw the funnel cloud, we headed for the basement.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.