a mattress or a bed cover, as a quilt, stuffed with soft feathers.
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Origin of feather bed
before 1000; Middle English, Old English
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for feather bed
a mattress filled with feathers or down
verb featherbed -beds, -bedding or -bedded
(tr) to pamper; spoil
(intr) US to be subject to or engage in featherbedding
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012