om·ni·bus (ŏmnĭ-bŭs′, -bəs)
a. A large horse-drawn public conveyance, especially of the late 1800s.
b. A long motor vehicle for passengers; a bus.
2. A printed anthology of the works of one author or of writings on related subjects.
Including or covering many things or classes: an omnibus trade bill.
[French, from Latin, for all, dative pl. of omnis, all; see op- in the Appendix of Indo-European roots.]
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