definition of
paper

[1] #1 paper n. a material made of cellulose pulp derived mainly from wood or rags or certain grasses. wn

[2] #2 paper n. [composition, report, theme] an essay (especially one written as an assignment); "he got an A on his composition". wn

[3] #3 paper n. [newspaper] a daily or weekly publication on folded sheets; contains news and articles and advertisements; "he read his newspaper at breakfast". wn

[4] #4 paper n. a medium for written communication; "the notion of an office running without paper is absurd". wn

[5] #5 paper n. a scholarly article describing the results of observations or stating hypotheses; "he has written many scientific papers". wn