The Collaborative International Dictionary of English v.0.48:

Bedclothes \Bed"clothes`\, n. pl.
   Blankets, sheets, coverlets, etc., for a bed. --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bedclothes
    n 1: coverings that are used on a bed [syn: bedclothes, bed
         clothing, bedding]

Moby Thesaurus II by Grady Ward, 1.0:

31 Moby Thesaurus words for "bedclothes":
   afghan, bed linen, bedcover, bedding, bedsheet, bedspread, blanket,
   buffalo robe, case, clothes, comfort, comforter, contour sheet,
   counterpane, cover, coverlet, coverlid, eiderdown, fitted sheet,
   lap robe, linen, patchwork quilt, pillow slip, pillowcase, quilt,
   robe, rug, sheet, sheeting, slip, spread