Lewis & Short

apprĕhensĭo (adp-), ōnis, f. [apprehendo] (late Lat.).

  1. I. Lit., a seizing upon, laying hold of: arae, Macr. S. 3, 2.
  2. II. Trop., apprehension, understanding, Cael. Aur. Acut. 1, 8; 2, 28; id. Tard. 5, 4 al.