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Definition of Warm front
1. Noun. The front of an advancing mass of warmer air. 
Generic synonyms: Front
Definition of Warm front
1. Noun. (meteorology) A warm front is the trailing edge of a retreating mass of cold air. ¹
¹ Source: wiktionary.com
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1. Noun. The front of an advancing mass of warmer air. 
1. Noun. (meteorology) A warm front is the trailing edge of a retreating mass of cold air. ¹
¹ Source: wiktionary.com