A Paper

A sheet material used for writing on or printing on (or as a non-waterproof container), usually made by draining cellulose fibres from a suspension in water.
A newspaper or anything used as such (such as a newsletter or listing magazine).
(uncountable) Wallpaper.
(uncountable) Wrapping paper.
(rock paper scissors) An open hand (a handshape resembling a sheet of paper), that beats rock and loses to scissors. It loses to lizard and beats Spock in rock-paper-scissors-lizard-Spock.
A written document, generally shorter than a book (white paper, term paper), in particular one written for the Government.
A written document that reports scientific or academic research and is usually subjected to peer review before publication in a scientific journal (as a journal article or the manuscript for one) or in the proceedings of a scientific or academic meeting (such as a conference, workshop, or symposium).
A scholastic essay.
(Britain) A set of examination questions to be answered at one session.
(slang) Money.
(finance, uncountable) Any financial assets other than specie.
(New Zealand) A university course.
A paper packet containing a quantity of items.
A medicinal preparation spread upon paper, intended for external application.
A substance resembling paper secreted by certain invertebrates as protection for their nests and eggs.
(dated) Free passes of admission to a theatre, etc.
(dated, by extension) The people admitted by free passes.