BONSAI Meaning of BONSAI in English [ 'bɒnsʌɪ ]■ noun the art of growing ornamental, artificially dwarfed varieties of trees or shrubs.OriginJapanese, from bon 'tray' + sai 'planting'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004