What is the meaning of Autobus?

A motorbus, as opposed to earlier horse-drawn buses.

A large group of cyclists who have fallen behind the peloton (“main group of riders”) in a race.

bus

bus

bus, coach, omnibus

woodlouse (Can we verify this sense?)

bus, coach (vehicle)

bus, coach (vehicle)

bus

bus

motorcoach

bus (motor vehicle for transporting large numbers of people along roads)

alternative form of autobuz

bus

a bus

Source: wiktionary.org