乱雲 らんうん Meanings Noun rain cloud Kanji 乱 disorder. Read as ラン. 雲 cloud. Read as ウン. Words containing 乱雲 積乱雲 (せきらんうん) cumulonimbus cloud 火災積乱雲 (かさいせきらんうん) pyrocumulonimbus (cloud) Jinuma: Japanese Dictionary · Word lists