rain cats and dogs
To rain very heavily.
["]Those weather-gaws aren't out for nothing. It'll rain cats and dogs to-morrow." Marigold wondered what weather-gaws were—and then forgot in thinking how interesting it would be
noun
Condensed water falling from a cloud.
We've been having a lot of rain lately.
The rains came late that year.
Any matter moving or falling, usually through air, and especially if liquid or otherwise figuratively identifiable with raindrops.
An instance of particles or larger pieces of matter moving or falling through air.
A rain of mortar fire fell on our trenches.
verb
To have rain fall from the sky.
Judging by the black cloud, it will rain later today.
To fall as or like rain.
Tears rained from her eyes.
Leaves rained from the tree.
To issue (something) in large quantities.
The boxer rained punches on his opponent's head.
verb
Obsolete form of reign.
Such wondrous science in mans witt to rain.