nounWord forms: plural buses or busses1. a large motor vehicle designed to carry passengers between stopping places along a regular route
More formal name: omnibus. Sometimes called: motorbus 2. short for trolleybus
3. (modifier) of or relating to a bus or buses
a bus driver
a bus station
4. informal a car or aircraft, esp one that is old and shaky
5. electronics, computing short for busbar
6. the part of a MIRV missile payload containing the re-entry vehicles and guidance and thrust devices
7. astronautics a platform in a space vehicle used for various experiments and processes
8. miss the bus
9. park the bus
10. throw someone under the bus
verbWord forms: buses, busing, bused, busses, bussing or bussed11. to travel or transport by bus
12. mainly US and Canadian to transport (children) by bus from one area to a school in another in order to createracially integrated classes