Definition of cold front in English:

cold front

noun

Meteorology
  • The boundary of an advancing mass of cold air, in particular the trailing edge of the warm sector of a low-pressure system.

    front
    • ‘Rain is the precipitation of condensed water vapor caused when a warm front meets a cold front in the upper atmosphere.’
    • ‘The weather man tells me all about high pressure and low pressure, about wind direction, cold fronts, warm fronts and all that.’
    • ‘A cold front is the boundary between cool and warm air when the cool air is replacing the warm air.’
    • ‘The subtropical highs move from west to east across southern Australia in winter, and further south in summer, usually separated by low pressure troughs or cold fronts.’
    • ‘Although cold fronts associated with southern low pressure systems penetrate the ridge from time to time during summer, they generally fail to produce much useful rain.’

Pronunciation:

cold front

/ˈkōl(d) ˌfrənt/