wag (v.) Copy link Outline I. Trans.II. Intrans. • wag (v.): I. Trans.: mōto, quasso, mŏveo: v. to move, shake. Phr.: to w. the tail, leniter atterere caudam, Hor. Od. 2, 19, 31. II. Intrans.: mŏveor, ăgĭtor, etc.: v. to shake, intrans.