Busbar

a large motor vehicle, having a long body, equipped with seats or benches for passengers, usually operating as part of a scheduled service; omnibus.
a similar horse-drawn vehicle.
a passenger automobile or airplane used in a manner resembling that of a bus.
any vehicle operated to transport children to school.
a low, movable filing cabinet.
Electricity. Also called bus bar, busbar
[buhs-bahr] /ˈbʌsˌbɑr/ (Show IPA). a heavy conductor, often made of copper in the shape of a bar, used to collect, carry, and distribute powerful electric currents, as those produced by generators.
Computers. a circuit that connects the CPU with other devices in a computer.
to convey or transport by bus:
to bus the tourists to another hotel.
to transport (pupils) to school by bus, especially as a means of achieving socioeconomic or racial diversity among students in a public school.
to travel on or by means of a bus:
We bused to New York on a theater trip.
throw under the bus. throw (def 57).
Historical Examples

Omnilingual H. Beam Piper

noun
an electrical conductor, maintained at a specific voltage and capable of carrying a high current, usually used to make a common connection between several circuits in a system
a group of such electrical conductors at a low voltage, used for carrying data in binary form between the various parts of a computer or its peripherals
noun (pl) buses, busses
a large motor vehicle designed to carry passengers between stopping places along a regular route More formal name omnibus Sometimes called motorbus
short for trolleybus
(modifier) of or relating to a bus or buses: a bus driver, a bus station
(informal) a car or aircraft, esp one that is old and shaky
(electronics, computing) short for busbar
the part of a MIRV missile payload containing the re-entry vehicles and guidance and thrust devices
(astronautics) a platform in a space vehicle used for various experiments and processes
miss the bus, to miss an opportunity; be too late
verb buses, busing, bused, busses, bussing, bussed
to travel or transport by bus
(mainly US & Canadian) to transport (children) by bus from one area to a school in another in order to create racially integrated classes
n.
v.

A car: Whose old bus is in the drive? (1919+)
An aircraft (1916+)
An ambulance: Roger oneoh-four, do we need a bus? (1980s+ Police)