Real Dictionary

bus
A bus is a large motor vehicle which carries passengers from one place to another. Buses drive along particular routes, and you have to pay to travel in them.

Bus in American English
a large, long motor vehicle designed to carry many passengers, usually along a regular route; omnibus
business

bus in American English 1
intransitive verb: to travel on or by means of a bus
noun: a large motor vehicle, having a long body, equipped with seats or benches for passengers, usually operating as part of a scheduled service; omnibus
transitive verb: to convey or transport by bus

bus in American English 2
to work or act as a busboy or busgirl

bus in British English
noun: a large motor vehicle designed to carry passengers between stopping places along a regular route

bus in Electrical Engineering
noun: A bus is a data path that connects to a number of devices, such as that on a computer's circuit board or backplane.

bus. in American English
abbreviation: business