大草原 だいそうげん Meanings Noun great plain; prairie; steppe; savanna; pampa Expression hahahaha; LMAO; ROFL See also: 草 (くさ). Kanji 大 big. Read as ダイ. 草 grass. Read as ソウ. 原 original. Read as ゲン. Jinuma: Japanese Dictionary · Word lists