eiderdown eider yarn • eiders · · · Info · Definitions · Synonyms · Characters · · eiderdown · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) a soft quilt usually filled with the down of the eider. Synonyms: duvet, continental quilt. · · Noun Definition 1 (noun) down of the eider duck. · · Noun Definition 2 Synonyms · · · duvet · · Synonym 1 continental quilt · · Synonym 2 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 w latin small letter w U+0077