1. A broad rectangular piece of fabric serving as a basic article of bedding. 2. A broad, thin, usually rectangular mass or piece of material, such as paper, metal, glass, or plywood. 3. A flat or very shallow, usually rectangular pan used for baking. 4. a sheet of ice. 5. a sheet of flames. 6. A newspaper, especially a tabloid. 7. A broad, relatively thin deposit or layer of igneous or sedimentary rock. 8. A large block of stamps printed by a single impression of a plate before the individual stamps have been separated. 9. To cover with, wrap in, or provide with a sheet. 10. To make into sheets. 11. rain sheeting against the windshield. 12. sheet aluminum.
