Lewis & Short

ex-adversum (-vors-) and ex-adversus (-vors-), adv. and praep. Lit. from opposite; hence, over against, opposite, vis-a-vis.

  1. I. Adv.: apud ipsum lacum est pistrilla, et exadversum fabrica, Ter. Ad. 4, 2, 44: video exadvorsum Pistoclerum, Plaut. Bacch. 4, 7, 37: ea sita erat exadvorsum, Ter. Phorm. 1, 2, 47: inque earum locum bina castra exadversum constituta erant, Suet. Caes. 40 Roth; App. Flor. p. 353; Amm. 23, 6, 72.
    With dat.: exadvorsum ei loco Tonstrina erat quaedam, Ter. Phorm. 1, 2, 38: Samos est exadversum Mileto, App. Flor. p. 350, 23; id. Mag. p. 284, 2.
  2. II. Praep. with acc.: ara Aio Loquenti exadversus eum locum consecrata est, * Cic. Div. 1, 45, 101: exadversum Athenas classem suam constituerunt, Nep. Them. 3 fin.; id. Thras. 2 fin.; Plin. 6, 16, 18, § 48. Cf. Hand, Turs. II. pp. 662-664.