Roll
Part of speech: verb
Definition: To cause to revolve by turning over and over; to move by turning on an axis; to impel forward by causing to turn over and over on a supporting surface. To wrap round on itself; to form into a spherical or cylindrical body by causing to turn over and over. To bind or involve by winding, as in a bandage; to inwrap; often with up. To drive or impel forward with an easy motion, as of rolling. To utter copiously, especially with sounding words; to utter with a deep sound; -- often with forth, or out. To press or level with a roller; to spread or form with a roll, roller, or rollers. To move, or cause to be moved, upon, or by means of, rollers or small wheels. To leave or begin a journey. To compete, especially with vigor. To beat with rapid, continuous strokes, as a drum; to sound a roll upon. To apply (one line or surface) to another without slipping; to bring all the parts of (one line or surface) into successive contact with another, in such a manner that at every instant the parts that have been in contact are equal. To turn over in one's mind; to revolve. To behave in a certain way; to adopt a general disposition toward a situation. To throw dice. To roll dice such that they form a given pattern or total. To have a rolling aspect To create a new character in a role-playing game. To generate a random number. To turn over and over. To tumble in gymnastics. when a nautical vessel rotates on its fore-and-aft axis, causing its sides to go up and down. Compare with pitch. To beat up. To cause to betray secrets of or testify against. To betray secrets.
Part of speech: noun
Definition: The act of rolling, or state of being rolled. That which rolls; a roller Specifically, a heavy cylinder used to break clods. Specifically, one of a set of revolving cylinders, or rollers, between which metal is pressed, formed, or smoothed, as in a rolling mill; as, to pass rails through the rolls. That which is rolled up; as, a roll of fat, of wool, paper, cloth, etc. Specifically, a document written on a piece of parchment, paper, or other materials which may be rolled up; a scroll. Hence, an official or public document; a register; a record; also, a catalogue; a list. Specifically, a quantity of cloth wound into a cylindrical form; as, a roll of carpeting; a roll of ribbon. Specifically, A cylindrical twist of tobacco. A kind of shortened raised biscuit or bread, often rolled or doubled upon itself. The oscillating movement of a vessel from side to side, in sea way, as distinguished from the alternate rise and fall of bow and stern called pitching. A heavy, reverberatory sound. The uniform beating of a drum with strokes so rapid as scarcely to be distinguished by the ear. Part; office; duty; rôle. A measure of parchments, containing five dozen. the rotation angle about the longitudinal axis The act of, or total resulting from, rolling one or more dice. The measure of extent to which a nautical vessel rotates on its fore-and-aft axis, causing its sides to go up and down. Compare with pitch.
Example sentence: Change does not roll in on the wheels of inevitability, but comes through continuous struggle. And so we must straighten our backs and work for our freedom. A man can't ride you unless your back is bent.
Roller
Part of speech: noun
Definition: anything that rollsany rotating cylindrical device that is part of a machine, especially one used to apply or reduce pressurea heavy rolling device used to flatten the surface of the pitcha large, wide, curling wave that falls back on itself as it breaks on a coasta cylindrical tool for applying paint or inkan agricultural machine used for flattening land and breaking up lumps of eartha tumbling pigeonany of various aggressive birds, of the family Coraciidae, having bright blue wings and hooked beaks(also written Roller) a car made by Rolls-Roycethe police (old blues slang)a padded surcingle that is used on horses for training and vaulting
Example sentence: Life is a roller coaster. There are ups; there are downs. There are hills; there are valleys, peaks, and so on.