noun (common) (futsuumeishi) word usually written using kana alone giant otter (Pteronura brasiliensis);giant river otter

noun (common) (futsuumeishi) nutria

noun (common) (futsuumeishi) word usually written using kana alone otter (Lutra lutra)

noun (common) (futsuumeishi) word usually written using kana alone Japanese river otter (Lutra lutra whiteleyi)