Lewis & Short

instructūra, ae, f. [instruo].

  1. I. Lit., a building in, enclosure, barrier, Gromat. Vet. p. 347, 8.
    Plur., Gromat. Vet. p. 255, 25; p. 349, 14.
  2. II. Transf.
    1. A. Array, order of battle: Macedonum, Front. Strat. 2, 3, 17.
    2. B. Arrangement, construction of discourse, Fronto ad M. Caes. 2, ep. 1.