Definition of blanket noun from the Oxford Advanced Learner's Dictionary

     

    blanket

     noun
    noun
    BrE BrE//ˈblæŋkɪt//
     
    ; NAmE NAmE//ˈblæŋkɪt//
     
    Snow and ice
     
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  1. 1a large cover, often made of wool, used especially on beds to keep people warm It’s cold tonight—can I have another blanket? The baby was wrapped in a blanket. see also electric blanket
  2. 2[usually singular] blanket of something a thick layer or covering of something a blanket of fog/snow/cloud (figurative) The trial was conducted under a blanket of secrecy. see also wet blanket See related entries: Snow and ice
  3. Word Origin Middle English (denoting undyed woollen cloth): via Old Northern French from Old French blanc ‘white’, ultimately of Germanic origin.Extra examples For her, money was like a security blanket. He takes his security blanket with him everywhere. I hate to be a wet blanket, but I thought the show was terrible. She pulled the blanket up and went to sleep. They shivered under their thin blankets. The blanket of fog began to disperse. The sun was breaking through the blanket of mist. The walls were covered in blankets of ivy.
See the Oxford Advanced American Dictionary entry: blanket