Source : Webster's Revised Unabridged Dictionary (1913)

Blanket \Blan"ket\, n. [F. blanchet, OF. also blanket, a woolen
   waistcoat or shirt, the blanket of a printing press; prop.
   white woolen stuff, dim. of blanc white; blanquette a kind of
   white pear, fr. blanc white. See {Blank}, a.]
   1. A heavy, loosely woven fabric, usually of wool, and having
      a nap, used in bed clothing; also, a similar fabric used
      as a robe; or any fabric used as a cover for a horse.

   2. (Print.) A piece of rubber, felt, or woolen cloth, used in
      the tympan to make it soft and elastic.

   3. A streak or layer of blubber in whales.

   Note: The use of blankets formerly as curtains in theaters
         explains the following figure of Shakespeare. --Nares.

               Nor heaven peep through the blanket of the dark
               To cry, ``Hold, hold!''            --Shak.

   {Blanket sheet}, a newspaper of folio size.

   {A wet blanket}, anything which damps, chills, dispirits, or
      discour?ges.