ˈ ̷ ̷ˌ ̷ ̷ noun
1. : a fall of rain
there was another rainfall that night — Dan Wickenden
2.
a. : the water or amount of water that falls in rain usually measured by the depth in inches
rainfall increases steadily from the desert margin toward the south — P.E.James
b. : an amount of precipitation especially during a given time
having a rainfall , including snowfall, of from sixty to eighty inches — Economic Geology