What is the meaning of Rain?

Condensed water falling from a cloud.

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.

To have rain fall from the sky.

To fall as or like rain.

To issue (something) in large quantities.

Obsolete form of reign.

Rōmaji transcription of ライン

waves in the open sea

water

water

country

Source: wiktionary.org