† lychˈnidiate,a.Ent.Obs. [Hybrid f.Gr. λυχνίδι-ον (dim. of λυχνίον lamp-stand, f. λύχνος lamp) + -ate2.] Giving out light. 1826Kirby & Sp.Entomol. IV. 307 Lychnidiate, when the Vertex, Frons and Postnasus are porrected so as to form a kind of rostrum which gives light in the night.