sheet

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A broad rectangular piece of fabric serving as a basic article of bedding.
2. n. A broad, thin, usually rectangular mass or piece of material, such as paper, metal, glass, or plywood.
3. n. A flat or very shallow, usually rectangular pan used for baking.
4. n. A broad, flat, continuous surface or expanse: a sheet of ice.
5. n. A moving expanse: a sheet of flames.
6. n. A newspaper, especially a tabloid.
7. n. Geology A broad, relatively thin deposit or layer of igneous or sedimentary rock.
8. n. A large block of stamps printed by a single impression of a plate before the individual stamps have been separated.
9. n. Mathematics A surface of revolution generated by revolving a hyperbola about one of its two symmetric axes.
10. v. To cover with, wrap in, or provide with a sheet.
11. v. To make into sheets.
12. v. To flow or fall in a sheet: rain sheeting against the windshield.
13. adj. Being in the form of sheet: sheet aluminum.
14. n. A rope or chain attached to one or both of the lower corners of a sail, serving to move or extend it.
15. n. The spaces at either end of an open boat in front of and behind the seats.
16. v. To extend in a certain direction. Used of the sheets of a sail.
17. idiom. to Informal Intoxicated; drunk.

Century Dictionary and Cyclopedia

1. n. A large square or rectangular piece of linen or cotton spread over a bed, under the covers, next to the sleeper: as, to sleep between sheets.
2. n. In general, a broad, usually flat, and relatively thin piece of anything, either very flexible, as linen, paper, etc., or less flexible, or rigid, as lead, tin, iron, glass, etc. (a plate).
3. n. One of the separate pieces, of definite size, in which paper is made; the twenty-fourth part of a quire. In the printing-trade the sheet is more clearly defined by naming its size: as, a sheet of cap or a sheet of royal (see sizes of paper, under paper); in bookbinding the sheet is further defined by specifying its fold: as, a sheet of quarto or a sheet of duodecimo.
4. n. A newspaper: so called as being usually printed on a large piece of paper and folded.
5. n. plural Leaves and pages, as of a book or a pamphlet.
6. n. In mathematics, a separate portion of a surface, analogous to the branch of a curve; especially, one of the planes of a Riemann's surface.
7. n. [Sheet is often used in composition to denote that the substance to the name of which it is prefixed is in the form of sheets or thin plates: as, sheet-iron, sheet-glass, sheet-tin.]
8. n. A broad expanse or surface: as, a sheet of water, of ice, or of flame.
9. n. A sail.
10. n. Nautical, a rope or chain fastened to one or both of the lower corners of a sail to extend it and hold it extended, or to change its direction. In the square sails above the courses the ropes by which the clues are extended are called sheets. In the courses each clue has both a tack and a sheet, the tack being used to extend the weather clue and the sheet the lee clue. In fore-and-aft sails—except gaff-topsails, where the reverse is the case—the sheet secures the after lower corner and the tack the forward lower corner. In studdingsails the tack secures the outer clue and the sheet the inner one.
11. n. In anatomy and zoology, a layer; a lamina or lamella, as of any membranous tissue.
12. n. In mining, galena in thin and continuous masses. The ore itself is frequently called sheet-mineral.
13. To furnish with sheets: as, a sheeted c ouch.
14. To fold in a sheet; shroud; cover with or as with a sheet.
15. To form into sheets; arrange in or as in sheets.
16. An old variant of shoot, used in sheet-anchor, and common in dialectal speech.
17. n. plural A commercial name for crude rubber in thin pieces formed by coagulating the latex on a large leaf. See rubber, 3.
18. n. In geology: A mass of eruptive rock of great length and breadth as compared with its thickness. Two principal varieties are recognized: surface flows, which are poured out on the surface of the earth, and intruded or intrusive sheets, which are forced between relatively horizontal strata
19. n. A deposit of any material, sedimentary or other, which has great areal extent and small thickness.

Wiktionary

1. n. A thin bed cloth used as a covering for a mattress or as a layer over the sleeper.
2. n. 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. n. A flat metal pan, often without raised edge, used for baking.
4. n. A thin, flat layer of solid material.
5. n. A broad, flat expanse of a material on a surface.
6. n. nautical A line (rope) used to adjust the trim of a sail.
7. n. nautical, nonstandard A sail.
8. n. curling The area of ice on which the game of curling is played.
9. n. nonstandard A layer of veneer.
10. n. figuratively Precipitation of such quantity and force as to resemble a thin, virtually solid wall.
11. v. To cover or wrap with cloth, or paper, or other similar material
12. v. Of rain, or other precipitation. To pour heavily.
13. v. nautical To trim a sail using a sheet.

GNU Webster's 1913

1. n. A broad piece of cloth, usually linen or cotton, used for wrapping the body or for a covering; especially, one used as an article of bedding next to the body.
2. n. A broad piece of paper, whether folded or unfolded, whether blank or written or printed upon; hence, a letter; a newspaper, etc.
3. n. A single signature of a book or a pamphlet the book itself.
4. n. A broad, thinly expanded portion of metal or other substance.
5. n. A broad expanse of water, or the like.
6. n. A sail.
7. n. (Geol.) An extensive bed of an eruptive rock intruded between, or overlying, other strata.
8. n. A rope or chain which regulates the angle of adjustment of a sail in relation in relation to the wind; -- usually attached to the lower corner of a sail, or to a yard or a boom.
9. n. The space in the forward or the after part of a boat where there are no rowers
10. v. To furnish with a sheet or sheets; to wrap in, or cover with, a sheet, or as with a sheet.
11. v. To expand, as a sheet.

WordNet 3.0

1. n. bed linen consisting of a large rectangular piece of cotton or linen cloth; used in pairs
2. v. come down as if in sheets
3. n. (mathematics) an unbounded two-dimensional shape
4. n. any broad thin expanse or surface
5. n. newspaper with half-size pages
6. n. paper used for writing or printing
7. n. a flat artifact that is thin relative to its length and width
8. n. (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind
9. n. a large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel
10. v. cover with a sheet, as if by wrapping