omnibus \om"ni*bus\, 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]