Mercŭrĭālis, e, adj. [Mercurius],
I of or belonging to the god Mercury : caduceum, Ap. Met. 11, 10, 19; unde frequentia Mercuriale Imposuere mihi cognomen compita, called me Mercury (as being a skilful man of business), Hor. S. 2, 3, 25.—Subst.: Mercŭrĭāles , ium, m., the name of a corporation of traders : Mercuriales M. Furium Flaccum de collegio ejecerunt, Cic. Q. Fr. 2, 5, 2.—With reference to Mercury as the god of scholars: Faunus, Mercurialium Custos virorum, Hor. C. 2, 17, 28.—
B Of or belonging to the planet Mercury : cursus, Macr. Somn. Scip. 2, 4.—
II Transf.
A Herba mercurialis, a plant, dog's-mercury , Cato R. R. 158; Plin. 25, 5, 18, § 38.—
B Pagus Mercurialis, a town of Africa propria, in Zeugitana, Inscr. Spon. Miscell. Erud. Antiq. p. 191.