Open English Wordnet
Nouns
(n)sheetany broad thin expanse or surface“a sheet of ice” (n)sheet, bed sheetbed linen consisting of a large rectangular piece of cotton or linen cloth; used in pairs (n)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” (n)sheet, flat solida flat artifact that is thin relative to its length and width (n)sail, canvas, canvass, sheeta large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel Verbs
(v)sheetcome down as if in sheets“The rain was sheeting down during the monsoon” (v)sheetcover with a sheet, as if by wrapping“sheet the body”