DAILY VOCABULARY WITH PICTURES. BUS.

• bus plural buses also busses especially American English [countable]
• 1 a large vehicle that people pay to travel on
• There were a lot of people on the bus.
• She got on the bus at Clark Street.
•  I'll tell you when to get off the bus.
•  a line of people waiting for a bus
•  Sally had to run to catch the bus.
•  I took the bus to the university.
• Try riding the bus for a peso or two.
•  Hurry up or we'll miss the bus!
• by bus
• The best way to get there is by bus.
•  Unable to afford bus fares, she walked to interviews.
• I lost my glasses on the school bus.
• 2 a circuit that connects the main parts of a computer so that signals can be sent from one part of the computer to another

Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.