Definition of blanketing:
(n) :
(countable) A layer of something that covers like a blanket.
(n) :
(uncountable, countable) Cloth for making blankets.
(n) :
(uncountable, countable) The act or punishment of tossing in a blanket.
(n) :
(rail transport) The provision of a layer under the trackbed to prevent clay subsoil and water being forced to the surface by the weight of trains.
(n) :
(nautical, slang) A maneuver in which one vessel covers or becalms another with its sails.