立坪 りゅうつぼ Also written たてつぼ, 立て坪 Meanings Noun cubic tsubo (approx. 6 cubic metres) See also: 坪 (つぼ). See also: 平坪 (ひらつぼ). Kanji 立 stand. Read as リュウ. 坪 tsubo. Read as つぼ. Jinuma: Japanese Dictionary · Word lists