A volume containing several novels or other items previously published separately. The library has an omnibus edition of the author's complete works.
A bus designed for carrying a large number of passengers. The city introduced a new omnibus service to accommodate the growing number of commuters.
(historical) A large, horse-drawn coach used for public transport before the advent of motor buses. In the 19th century, people in London often travelled by horse-drawn omnibus.
A legislative bill that combines multiple diverse measures into a single package. Congress passed an omnibus to keep the government funded through the end of the fiscal year.