(Britain, informal) A bus that is used as a mobile office and publicity centre by a politician or party during the run-up to an election

A temporary system of shuttle buses bypassing a failure, overhaul, or other outage in some other mode of transit (usually rail).

A traffic lane designated for the use of buses.

A place where public transport buses stop to allow passengers to board or leave.

(networking) A (computer) network topology in which the nodes are all connected at different points to a line called a bus.

(slang) A toilet bowl.

(Australia, New Zealand) A police vehicle used for administering blood-alcohol tests (to drivers), generally a mid-size bus converted or fitted out for the purpose.

A bus which carries children to school.

A person (either employed or volunteer) who helps aged or disabled people to use public transport

A bus, often, a converted school bus, or other large vehicle used to transport large numbers of people to strip clubs, taverns and other party spots.