English

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Alternative forms

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Etymology

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eider +‎ down

Noun

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eiderdown (countable and uncountable, plural eiderdowns)

  1. (uncountable) The down of the eider duck, used for stuffing pillows and quilts.
    • 1929, Robert Dean Frisbee, The Book of Puka-Puka, Eland, published 2019, page 80:
      A great sea lifted us high and, crashing down with a deafening roar, carried us swiftly along on light foam as soft as eiderdown.
  2. (countable) A quilt stuffed with this down.

Translations

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