retiˈarian,a.andn.rare. [f. next + -an.] a.adj. Composed of retiarii. b.n. A retiarius. 1730A. Gordon Maffei's Amphith. 159 A Gladiator..of the Retiarian Class.1802Gifford tr.Juvenal viii. 294 The wonder is, they turn not fencers too, Secutors, Retiarians.