カワウソTop 20000MeaningsNoun1. otter (Lutra lutra) (Usually kana)2. Japanese river otter (Lutra lutra whiteleyi) (Usually kana)Other readings川獺かわうそ獺かわうそ獺うそ獺おそ獺だつ河かわ獺うそかわうそうそおそだつ