The Collaborative International Dictionary of English v.0.48:

Counterpane \Coun"ter*pane`\ (koun"t?r-p?n`), n. [See
   Counterpoint, corrupted into counterpane, from the
   employment of pane-shaped figures in these coverlets. ]
   A coverlet for a bed, -- originally stitched or woven in
   squares or figures.
   [1913 Webster]

         On which a tissue counterpane was cast.  --Drayton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Counterpane \Coun"ter*pane`\, n. [OF. contrepan a pledge,
   security; contre + pan a skirt, also, a pawn or gage, F. pan
   a skirt. See Pane, and cf. Pawn.] (O. Law)
   A duplicate part or copy of an indenture, deed, etc.,
   corresponding with the original; -- now called counterpart.
   [1913 Webster]

         Read, scribe; give me the counterpane.   --B. Jonson.
   [1913 Webster]

WordNet (r) 3.0 (2006):

counterpane
    n 1: decorative cover for a bed [syn: bedspread, bedcover,
         bed cover, bed covering, counterpane, spread]