Definition of squall line in English:
A narrow band of high winds and storms associated with a cold front.
- It's a squall line associated with the cold front that's working its way across the country right now.
- Seas are 10 to 15 feet above normal, with higher swells and the squall line is pretty intense.
- We had a squall line move through here about an hour ago.
Definition of squall line in:
- US English dictionary