omnium /ˈɒm.ni.əm/ noun2 •A multiple race event in track cycling. Historically the omnium has had a variety of formats. Currently it consists of the following six events: flying lap, points race, elimination, individual pursuit, scratch race, and time trial. •The aggregate value of the different stocks in which a loan to government is usually funded.When a loan is contracted , the prices of Omnium may be quoted for delivery of the receipts , and afterwards for money , and the next succeeding payment . — 1855 formsomniums