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.