railbus

noun
rail·​bus | \ˈrāl-ˌbəs \

Definition of railbus 

: a passenger car with an automotive engine for operation on rails

First Known Use of railbus

1932, in the meaning defined above

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Dictionary Entries near railbus

railbed

railbird

rail bond

railbus

railcar

rail carrier

rail chair

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The first known use of railbus was in 1932

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