Definition of "Paper" :

noun: the physical object that is the product of a newspaper publisher

"When it began to rain he covered his head with a newspaper."

noun: a medium for written communication

"The notion of an office running without paper is absurd."

noun: a daily or weekly publication on folded sheets; contains news and articles and advertisements

"He read his newspaper at breakfast."

noun: a scholarly article describing the results of observations or stating hypotheses

"He has written many scientific papers."

noun: an essay (especially one written as an assignment)

noun: a business firm that publishes newspapers

"Murdoch owns many newspapers."

noun: a material made of cellulose pulp derived mainly from wood or rags or certain grasses

verb: cover with wallpaper

verb: cover with paper

"Paper the box."