covering all cases or instances; total and inclusive:a blanket ban on tobacco advertising
1a large piece of woollen or similar material used as a covering on a bed or elsewhere for warmth: I slept on the ground covered by my blanket a thick covering mass or layer:a dense grey blanket of cloud
2 Printing a rubber surface used for transferring the image in ink from the plate to the paper in offset printing. 1cover completely with a thick layer of something:the countryside was blanketed in snow stifle or keep quiet (sound):the double glazing blankets the noise a bit
2 Sailing take wind from the sails of (another craft) by passing to windward.