Alternative spelling of rock and roll

(cricket) The lighter of the rollers used for flattening the pitch between innings.

Any rotating cylindrical device that is part of a machine, especially one used to apply or reduce pressure.

(intransitive) To roller skate.

A 24-hour, continuously updated news service on radio or television.

A person who serves as an example, whose behavior is emulated by others.

The process of incrementing, especially back to an initial value. / (automotive) A road traffic accident in which a vehicle overturns.

Misspelling of roll over.

(rail transport, uncountable, collectively) All vehicles that move on a railway, powered or unpowered. / (countable, less common) Any such vehicle.

A sport based on teams of rollerskaters who race round a track, jamming and blocking each other.