plu·vi·ous (plōō'vē-əs) adj. Characterized by heavy rainfall; rainy.
[Middle English, from Old French pluvieus, from Latin pluviōsus, from (aqua) pluvia, rain (water), feminine of pluvius, of rain, from pluere, to rain; see pleu- in Indo-European roots.] plu'vi·os'i·ty (-ŏs'ĭ-tē) n.