Lewis & Short

ob-vĭo, āvi, 1, v. n., to meet (post-class.).

  1. I. In gen.: alicui, Hier. Ep. 5, 1: sibi, Vulg. Psa. 84, 11.
  2. II. In partic.
    1. A. In a hostile sense, to withstand, resist, oppose: alicui, Macr. S. 7, 5: suae confessioni, Dig. 39, 5, 30.
    2. B. To prevent, hinder, obviate: grandini, Pall. 1, 35, 14: vermibus, id. Mart. 10, 4.