SHEET

noun

1. A thin bed cloth used as a covering for a mattress or as a layer over the sleeper.
2. A piece of paper, usually rectangular, that has been prepared for writing, artwork, drafting, wrapping, manufacture of packaging (boxes, envelopes, etc.), and for other uses. The word does not include scraps and irregular small pieces destined to be recycled, used for stuffing or cushioning or paper mache, etc.
3. A flat metal pan, often without raised edge, used for baking.

verb

1. To cover or wrap with cloth, or paper, or other similar material.
2. To form into sheets.
3. Of rain, or other precipitation, to pour heavily.