Definition of "Bus" :

noun: a vehicle carrying many passengers; used for public transport

"He always rode the bus to work."

noun: a car that is old and unreliable

"The fenders had fallen off that old bus."

noun: an electrical conductor that makes a common connection between several circuits

"The busbar in this computer can transmit data either way between any two components of the system."

noun: the topology of a network whose components are connected by a busbar

verb: remove used dishes from the table in restaurants

verb: ride in a bus

verb: send or move around by bus

"The children were bussed to school."