Mūgiōnia or Mūgōnia, ae, or Mūgiōnis (Mucionis), is, f. (porta), a gate of ancient Rome, which was afterwards within the city: in Palatio Mucionis a mugitu, Varr. L. L. 5, ยง 164 Mull.: Mugionia porta Romae dicta est a Mugio quodam. Paul. ex Fest. p. 144 Mull.; Sol. 1, 24; cf. Becker's Antiq. 1, p. 109 sq.