Available Definitions:
1) n. & v. - Reign.
2) n. - Water falling in drops from the clouds; the descent of water from the clouds in drops.
3) n. - To fall in drops from the clouds, as water; -- used mostly with it for a nominative; as, it rains.
4) n. - To fall or drop like water from the clouds; as, tears rained from their eyes.
5) v. t. - To pour or shower down from above, like rain from the clouds.
6) v. t. - To bestow in a profuse or abundant manner; as, to rain favors upon a person.