squall line

noun

1
: an intersection or boundary between the cold and the warm winds of an extratropical cyclone or between the cold air of an advancing anticyclone and the warm air of a cyclone : cold front

called also wind-shift line

2
: a line of squalls often 50 to 200 miles ahead of a cold front

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near squall line

Cite this Entry

“Squall line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/squall%20line. Accessed 22 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!