blanket

noun

a large piece of cloth, often of soft wool, used for warmth as a bed cover or a covering for animals
anything used as or resembling a blanket; covering: a blanket of leaves

adjective

covering a group of conditions or requirements; including many or all items: a blanket insurance policy

transitive verb

to cover with or as with a blanket; overspread; overlie
to apply uniformly to: said of regulations or rates
to cut off wind from the sails of (another boat) by passing close to windward, as in yacht racing
to suppress; hinder; obscure: a powerful radio station blankets a weaker one
Archaic to toss in a blanket, as in punishment

See blanket in American Heritage Dictionary 4