How to sign: bed linen consisting of a large rectangular piece of cotton or linen cloth; used in pairs
Similiar / Same: bed sheet
Categories: bed linen
Within this category: fitted sheet
How to sign: (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";
Similiar / Same: plane
Within this category: cartesian plane, facet plane, midplane, orbital plane, picture plane, tangent plane
How to sign: newspaper with half-size pages