Lewis & Short

prōcurso, āre,

  1. I. v. freq. n. [id.], to run forth, to sally out, make attacks or onsets.
    Of skirmishers: cum ab stationibus procursaretur, Liv. 27, 2; Plin. 8, 5, 5, § 15; Amm. 27, 10, 9.
  2. II. Transf., to advance: in pulcra facinora, Amm. 27, 6, 9.