To move like a carriage-wheel; move along a surface without slipping by perpetually turning over the foremost point of contact as an instantaneous axis: as, a ball or wheel rolls on the earth; a body rolls on an inclined plane.To run or travel on wheels.To revolve; perform a periodical revolution.To turn; have a rotatory motion, generally reciprocating and irregular, especially in lateral directions: as, the ship rolls (that is, turns back and forth about a longitudinal axis).To move like waves or billows; also, to move like a considerable body of water, as a river.To fluctuate; move tumultuously.To tumble or fall over and over.To emit a deep prolonged sound, like the roll of a ball or the continuous beating of a drum.To enroll one's self; be enrolled.To trill: said of certain singing birds.To lend itself to being coiled up in a cylindrical form: as, cloth that rolls well.To ramble; wander abroad; gad about. Compare roil.To cause to rotate; whirl or wheel.To cause to move like a carriage-wheel; cause to move over a surface without sliding, by perpetually turning over the foremost point of contact: as, to roll a cask or a ball.To turn over in one's thoughts; revolve; consider again and again.To wrap round and round an axis, so as to bring into a compact cylindrical form: as, to roll a piece of cloth; to roll a sheet of paper; to roll parchment; to roll tobacco.To bind or infold in a bandage or wrapper; inwrap.To press or level with a roller; spread out with a roller or rolling-pin: as, to roll a field; to roll pie-crust.To drive or impel forward with a sweeping, easy motion, as of rolling.To give expression to or emit in a prolonged deep sound.To utter with vibration of the tongue; trill.In printing, to make (paper) smooth by passing it under calendering rollers.To turn over by degrees, as a whale when cutting in.In drum-playing, to beat with rapid blows so as to produce a continuous sound.Synonyms Swing, etc. See rock, transitive verbn. A cylinder formed by winding something round and round; that which is rolled up: as, a roll of wool; a roll of paper.n. Specifically— A document of paper, parchment, or the like which is or may be rolled up; hence, an official document; a list; a register; a catalogue; a record: as, a muster-roll; a class-roll; a court-roll.n. A long piece of cloth, paper, or the like, usually of uniform width throughout, and rolled upon either a round stick or a thin board, or upon itself merely, as the most convenient form of making a package. See roller, 2.n. In cookery, something rolled up: as, a veal roll; a jelly roll. Specifically— A small cake of bread rolled or doubled on itself before baking: as, a French roll. Same as roly-poly, 2.n. A cylindrical twist of tobaccon. In carding, a slender, slightly compacted cylinder or sliver of carded wool, delivered from hand-cards or from the doffing-cylinder of a carding-machine. Such rolls were formerly much used in the hand-spinning of wool. For machine-spinning the sliver is extended into a continuous roving.n. Part of the head-dress of a woman, a rounded cushion or mass of hair usually laid above the forehead, especially in the sixteenth century.n. A revolving cylinder employed in any manner to operate upon a material, as in forming metals into bars, plates, or sheets, smoothing the surfaces of textures, as in paper-making, laundering, etc., or in comminuting substances, as in grinding grain, crushing ores, etc.n. One of a pair of cylinders in a rolling-mill, between which metals are passed to form them into bars, plates, or sheets. See rolling-milln. In engraving, the cylindrical die of a transferring-pressn. In metallurgy, one of a pair of hard and strong metallic cylinders between which ores are crushed.n. In paper-making, one of the cylinders of a calender; also, the cylinder of a pulping-engine. See calender, 1, and pulp-engine.n. In high milling, one of a pair of metal cylinders through a series of which pairs grain is passed for successively crushing it to the requisite fineness. See high milling, under milling.n. In calico-printing, a cylinder of a calico-printing machine.n. The impression-cylinder of a printing-machine.n. In a great variety of machines, one of the cylinders over which an endless apron extends, and upon which it is moved, as in the feed-aprons of carding-machines, pickers for opening cotton as taken from the bale, machines for manufacturing shoddy from rags, etc.n. Either of a pair of plain or fluted cylinders between which material is passed to feed it into a machine, as in feeding rags to a shoddy-machine, paper to printing-presses, calico to calico-printing machines, etc. Such rolls are also called feed-rolls.n. A hand-tool used by bookbinders for embossing book-covers, or forming thereon embossed gilded lines. It consists of either a plain or an embossed cylinder with a handle adapted to rest (when in use) against the shoulder of the workman. The roller is heated for use in embossing.n. In the manufacture of plate-glass, a heavy metallic cylinder which spreads the “metal” on the table, and which, being supported on ways on opposite sides of the table, produces a sheet or plate of uniform thickness.n. In building: A rounded strip fastened upon and extending along the ridge of a roof.n. In a leaden roof, one of a number of rounded strips placed under the lead at intervals, whereby crawling of the metal through alternate expansion and contraction is prevented.n. The act of rolling, or the state of being rolled; a rotatory movement: as, the roll of a ball; the roll of a ship.n. A deep, prolonged, or sustained sound: as, the roll of thunder. Also rolling.