Definition of "Blanket" :

noun: bedding that keeps a person warm in bed

noun: a layer of lead surrounding the highly reactive core of a nuclear reactor

noun: anything that covers

"There was a blanket of snow."

verb: cover as if with a blanket

"Snow blanketed the fields."

verb: form a blanket-like cover (over)

adjective: broad in scope or content

"Blanket sanctions against human-rights violators."