blanket in WordNet English dictionary

1. broad in scope or content
   "across-the-board pay increases"; "an all-embracing definition"; "blanket sanctions against human-rights violators"; "an invention with broad applications"; "a panoptic study of Soviet nationality"- T.G.Winner; "granted him wide powers"
   across-the-board  all-embracing  all-encompassing  all-inclusive  blanket  broad  encompassing  extensive  panoptic  wide 
   

1. bedding that keeps a person warm in bed
   "he pulled the covers over his head and went to sleep"
   blanket  cover 
   
2. a layer of lead surrounding the highly reactive core of a nuclear reactor
   blanket 
   
3. anything that covers
   "there was a blanket of snow"
   blanket  mantle 
   

1. cover as if with a blanket
   "snow blanketed the fields"
   blanket 
   
2. form a blanket-like cover (over)
   blanket