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Meaning of eiderdown

ei•der•down

Pronunciation: (ī'dur-doun"), [key]
— n.
  1. down, or soft feathers, from the breast of the female eider duck.
  2. a heavy quilt or comforter, esp. one filled with eiderdown.
  3. a warm, lightweight knitted or woven fabric of wool, cotton, or man-made fibers, napped on one or both sides, used for sleepwear, infants' clothing, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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