feath·er1 /ˈfeðə $ -ər/ ●●○ noun [countableC] 1 HBBone of the light soft things that cover a bird’s body 羽毛,翎 an ostrich feather 一根鸵鸟羽毛
feather bed/pillow etc (=a bed etc that is filled with feathers) 羽绒褥垫/枕头等
2. a feather in your cap DOsomething you have done that you should be proud of 值得自豪的成就,卓越的成就a feather in your cap• This'll be a feather in her cap, right enough, a princess named after her.• It will be quite a feather in his cap if Cambridge win today. → light as a feather at light2(4), → birds of a feather at bird(5), → ruffle somebody’s feathers at ruffle1(2)