Pronunciation: (om'nu-bus", -bus), [key]
—n., pl. -bus•es, or, for 1, -bus•ses,
1. bus (def. 1).
2. a volume of reprinted works of a single author or of works related in interest or theme.
pertaining to, including, or dealing with numerous objects or items at once: an omnibus bill submitted to a legislature.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.