OBI Meaning of OBI in English ~ 1 [ 'əʊbi ]■ noun variant form of obeah . ———————— ~ 2 [ 'əʊbi ]■ noun ( plural ~s ) a broad sash worn round the waist of a Japanese kimono.OriginJapanese, lit. 'belt'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004