2. (noun)sheet, piece of paper, sheet of paper paper used for writing or printing
3. (noun)sheet, bed sheet bed linen consisting of a large rectangular piece of cotton or linen cloth; used in pairs
4. (noun)plane, sheet (mathematics) an unbounded two-dimensional shape "we will refer to the plane of the graph as the X-Y plane"; "any line joining two points on a plane lies wholly on that plane"
5. (noun)tabloid, rag, sheet newspaper with half-size pages
7. (noun)sheet, tack, mainsheet, weather sheet, shroud (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind