ALL meanings of heat wave
heat wave
H h - noun heat wave an air mass of high temperature covering an extended area and moving relatively slowly. 1
- noun heat wave a period of abnormally hot and usually humid weather. 1
- noun heat wave period: very hot weather 1
- noun heat wave unusually hot weather, resulting from a slowly moving air mass of relatively high temperature 0
- noun heat wave a period of such weather in a particular place 0