sivathere|ˈsɪvəθɪə(r)| [Anglicized form of next.] = sivatherium. 1847Ansted Anc. World xiv. 334 The Sivathere..had another pair [of horns] placed more towards the back of the head.1894Lydekker Roy.Nat.Hist. II. 337 By far the largest of all Ruminants was the gigantic Indian sivathere.