roll

intransitive verb

To move forward along a surface by revolving on an axis or by repeatedly turning over.

intransitive verb

To travel or be moved on wheels or rollers.

intransitive verb

To travel around; wander.

intransitive verb

To travel or be carried in a vehicle.

intransitive verb

To be carried on a stream.

intransitive verb

To start to move or operate.

intransitive verb

To work or succeed in a sustained way; gain momentum.

intransitive verb

To go by; elapse.