The intense level at which liquid precipitation rapidly descends from the sky in drops. It requires the presence of a thick layer of the atmosphere to have temperatures above the melting point of water near and above the Earth's surface.
Zuhaib: "What's up with all this rain?!"
Maliha: "It's raining? Since when?"
Zuhaib: "You can't hear the thunder? There's some severe rainage going on!"