- eiderdown, duvet, continental quilt - a soft quilt usually filled with the down of the eider
--1 is a kind of quilt, comforter, puff
--1 has substances: eiderdown - eiderdown - down of the eider duck
--2 is a kind of duck down
--2 is a part of eider, eider duck
--2 is a substance of eiderdown, duvet, continental quilt