SHOWERFUL

Etymology 1

Adjective

showerful (comparative more showerful, superlative most showerful)

Full of showers; rainy, teary, etc.

Etymology 2

Noun

showerful (plural showerfuls or showersful)

A quantity that falls in a shower.

Source: Wiktionary

Show"er*ful, a.

Definition: Full of showers. Tennyson.

Source: Webster’s Unabridged Dictionary 1913 Edition