Assertion: eiderdown | /r/CapableOf | fill with duckdown
Facets:
value: from the female eider duck
type: OTHER
Source sentences:
text: Encased in sumptuous, quilted satin or pretty floral chintz and filled with duckdown (originally from the female eider duck, hence the name) or goosedown, eiderdowns were the crowning glory of the bed.