tour bus in English dictionary tour bus Meanings and definitions of "tour bus" A bus used for a touring group, especially by musicians. noun A bus used for a touring group, especially by musicians. A bus designed for sightseeing tours. more Grammar and declension of tour bus tour bus ( plural tour buses) tour bus (plural tour buses) more Images with "tour bus" Sample sentences with "tour bus" Declension Stem Match words all exact any Try again Available translations Arabic French German Indonesian Polish Spanish Authors