rollroll2 ●●● noun [countable] 1 a piece of paper, film, money, etc. that has been curled into the shape of a tube: I need to buy a roll of film. rolls of toilet paper2a small round loaf of bread for one person: The soup comes with a roll.3an official list of the names of people at a meeting, in a class, etc.4be on a roll informal to be having a lot of success with what you are trying to do: I don’t want to stop playing – I’m on a roll!5a thick layer of skin or fat, usually just below your waist: He had two big rolls of fat on his stomach.6a long deep sound: There was a roll of thunder and then the rain started coming down.7an action of throwing dice as part of a game