bus

Concise Oxford English Dictionary © 2008 Oxford University Press:
bus/bʌs/

▶noun (pl. buses; US also busses)

• 1 a large motor vehicle carrying paying passengers on a fixed route.

• 2 Computing a distinct set of conductors within a computer system, to which pieces of equipment may be connected in parallel.

▶verb (busses, bussing, bussed or buses, busing, bused)

• 1 transport or travel in a bus.

  ■ US transport (a child of one ethnic group) to a school where another is predominant.

• 2 N. Amer. clear (dirty crockery) in a restaurant or cafeteria.

– derivatives
busload noun.

– origin C19: shortening of omnibus.