Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The leading portion of a cold atmospheric air mass moving against and eventually replacing a warm air mass.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun meteorology A cold front is the leading edge of an advancing mass of cold air.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the front of an advancing mass of colder air

Etymologies

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Examples

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