n.
   - a large piece of woollen material used as a covering for warmth, as on a bed.
 - a thick mass or layer:
 a blanket of cloud.
 - a rubber surface used for transferring the image in ink from the plate to the paper in offset printing.
 
adj.
 covering all cases; total:
 a blanket ban on tobacco advertising.
v.
 (blankets, blanketing, blanketed)
  - cover completely with a thick layer.
 - Sailing  take wind from the sails of (another craft) by passing to windward.
 
 
  Phrase
  
    
      - born on the wrong side of the blanket
 dated illegitimate. 
    
   
  Derivative
  
  Etymology
  ME: via Old North. Fr. from OFr. blanc ‘white’, ult. of Gmc origin.