Webster's Revised Unabridged Dictionary · 1913

Omnibus

Omnibus , noun

[Latin, for all, dat. pl. from omnis all. Compare Bus.]

1.
A long vehicle, having seats for many people; a bus.

In the 1913 Webster the term omnibus was especially applied to, a vehicle with seats running lengthwise, used in conveying passengers short distances.

2.
(Glass Making) A sheet-iron cover for articles in a leer or annealing arch, to protect them from drafts.
3.
(Printing) A volume containing collected and reprinted works of a single author or on a single theme.

omnibus , adjective

Pertaining to or dealing with a variety of topics at one time; as, omnibus legislation; an omnibus budget bill.
Collocations (1)
Omnibus box , a large box in a theater, on a level with the stage and having communication with it. [English] — Thackeray