冬ふゆ毛げふゆげじ字FuriganaMeanings1nounwinter fur; winter coat; winter plumageRefers to the thick fur or feathers that animals grow for winter. Used for mammals and birds.ウサギは冬ふゆになると冬ふゆ毛げに生はえ変かわる。Rabbits grow their winter coat when winter comes.この鳥とりの冬ふゆ毛げは夏なつよりも白しろっぽい。This bird's winter plumage is whiter than in summer.