[ L. omnis all. ] A combining form denoting all, every, everywhere; as in omnipotent, all-powerful; omnipresent; omnivorous. [ 1913 Webster ]

n. [ L., for all, dat. pl. from omnis all. Cf. Bus. ] 1. A long vehicle, having seats for many people; a bus. [ 1913 Webster ]

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

2. (Glass Making) A sheet-iron cover for articles in a leer or annealing arch, to protect them from drafts. [ 1913 Webster ]

3. (Printing) A volume containing collected and reprinted works of a single author or on a single theme. [ PJC ]

a. Pertaining to or dealing with a variety of topics at one time; as, omnibus legislation; an omnibus budget bill. [ PJC ]

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. [ 1913 Webster ]

a. [ Omni- + corporeal. ] Comprehending or including all bodies; embracing all substance. [ R. ] Cudworth. [ 1913 Webster ]

n. That which is all-pervading or all-comprehensive; hence, the Deity. [ R. ] [ 1913 Webster ]

Omniety formed nullity into an essence. Sir T. Browne. [ 1913 Webster ]

a. [ L. omnifarius; omnis all + -farius. Cf. Bifarious. ] Of all varieties, forms, or kinds. “Omnifarious learning.” Coleridge. [ 1913 Webster ]

a. [ L. omnifer; omnis all + ferre to bear. ] All-bearing; producing all kinds. [ 1913 Webster ]

a. [ Omni- + L. -ficare (in comp.) to make. ] All-creating. “The omnific word.” Milton. [ 1913 Webster ]

a. [ L. omniformis; omnis all + forma form: cf. F. omniforme. ] Having every form or shape. Berkeley. [ 1913 Webster ]

n. The condition or quality of having every form. Dr. H. More. [ 1913 Webster ]