noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A small-scale, vertical vortex of air associated with a thunderstorm that occurs at less than one kilometer from the ground and is between 2-20 kilometers in width.

Etymology

From meso- + vortex.

Related phrases

eyewall mesovortex

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.