† SerˈvetistEccl.Hist.Obs. [f. as prec. + -ist.] A follower of Servetus (see Servetian). 1621Lodge Summary Du Bartas i. 9 The ancient and moderne Diuines, who haue disputed against the Arians, and Seruetists.1728Chambers Cycl.1887Cassell's Encycl.Dict.