occluded front

English Thesaurus

1. (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft (noun.phenomenon)

hypernym	:	front,
definition	:	(meteorology) the atmospheric phenomenon created at the boundary between two different air masses (noun.phenomenon)

domain category	:	meteorology,
definition	:	the earth science dealing with phenomena of the atmosphere (especially weather) (noun.cognition)