OMNIBUSSES

Noun

omnibusses

(dated) plural of omnibus

Verb

omnibusses

Third-person singular simple present indicative form of omnibus

Source: Wiktionary

OMNIBUS

Om"ni*bus, n. Etym: [L., for all, dat. pl. from omnis all. Cf. Bus.]

1. A long four-wheeled carriage, having seats for many people; especially, one with seats running lengthwise, used in conveying passengers short distances.

2. (Glass Making)

Definition: A sheet-iron cover for articles in a leer or annealing arch, to protect them from drafts. Omnibus bill, a legislative bill which provides for a number of miscellaneous enactments or appropriations. [Parliamentary Cant, U.S.] -- Omnibus box, a large box in a theater, on a level with the stage and having communication with it. [Eng.] Thackeray.

Source: Webster’s Unabridged Dictionary 1913 Edition