Lewis & Short

oblīquĭtas, ātis, f. [obliquus],

  1. I. a sidelong or slanting direction, obliqueness, obliquity (post-Aug.), Plin. 3, 5, 6, § 40: sigui feri, id. 2, 19, 17, § 81.
  2. II. Transf., ambiguity: oraculi, Prisc. 1137 P.