P0386600 (plo͞o′vē-ŏm′ĭ-tər)n. See rain gauge.[Probably from French pluviomètre : Latin pluvia, rain; see pluvious + -mètre, -meter.]plu′vi·o·met′ric(-ə-mĕt′rĭk), plu′vi·o·met′ri·cal(-rĭ-kəl) adj.plu′vi·o·met′ri·cal·ly adv.plu′vi·om′e·try n. EncyclopediaSeepluviometer