a large motor vehicle, having a long body, equipped with seats or benches for passengers, usually operating as part of a scheduled service; omnibus.
2.
a similar horse-drawn vehicle.
3.
a passenger automobile or airplane used in a manner resembling that of a bus.
4.
any vehicle operated to transport children to school.
5.
a low, movable filing cabinet.
6.
Electricity. Also called bus bar, bus⋅bar /ˈbʌsˌbɑr/Show Spelled Pronunciation[buhs-bahr]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.
7.
Computers. a circuit that connects the CPU with other devices in a computer.
–verb (used with object)
8.
to convey or transport by bus: to bus the tourists to another hotel.
9.
to transport (pupils) to school by bus, esp. as a means of achieving racial integration.
–verb (used without object)
10.
to travel on or by means of a bus: We bused to New York on a theater trip.
Origin: 1825–35; short for omnibus; (def. 6)short for omnibus bar
A long motor vehicle for carrying passengers, usually along a fixed route.
Informal A large or ungainly automobile.
A four-wheeled cart for carrying dishes in a restaurant.
Electricity A bus bar.
Computer Science A parallel circuit that connects the major components of a computer, allowing the transfer of electric impulses from one connected component to any other.
v.
bused or bussed, bus·ing or bus·sing, bus·es or bus·ses
v.
tr.
To transport in a bus.
To transport (schoolchildren) by bus to schools outside their neighborhoods, especially as a means of achieving racial integration.
To carry or clear (dishes) in a restaurant.
To clear dishes from (a table).
v.
intr.
To travel in a bus.
To work as a busboy.
[Short for omnibus. V., intr., sense 2, back-formation from busboy.]
[buhs] 
noun, plural bus⋅es, bus⋅ses, verb, bused or bussed, bus⋅ing or bus⋅sing.