Rainstorm

Full definition of rainstorm

Noun

1. A storm characterized by substantial, heavy rainfall.
• 1913, Joseph C. Lincoln, Mr. Pratt's Patients Chapter 8, Philander went into the next room...and came back with a salt mackerel that dripped brine like a rainstorm. Then he put the coffee pot on the stove and rummaged out a loaf of dry bread and some hardtack.