eiderdown /ˈaɪdɚˌdaʊn/ noun plural eiderdowns
plural eiderdowns
Learner's definition of EIDERDOWN
1
[noncount] : soft feathers that come from ducks and that are used in warm clothing and bed covers鸭绒(用于填充衣被)
2
[count] : a bed cover made with eiderdown鸭绒被