squall line

1. 1.

   a cold front along which squalls or thunderstorms are likely

   Broadercold front

Questions about squall line

What does squall line mean?

squall line means "a cold front along which squalls or thunderstorms are likely".

Is squall line a common word?

squall line is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.