cataractKK [ˋkætɚækt] /ˈkætɚækt/名詞1白內障醫學My grandmother had surgery to remove the cataract in her left eye.我奶奶動手術摘除了左眼的白內障。2大瀑布、奔流文言The river plunges over the cliff in a thundering cataract.河水從懸崖傾瀉而下,形成轟鳴的大瀑布。