Lewis & Short

scūtārĭus, a, um, adj. [scutum].

  1. I. Of or belonging to a shield: fabricae, shield-factories, Veg. Mil. 2, 11.
  2. II. Subst.: scū-tārĭus, ii, m.
      1. 1. A shield-maker, Plaut. Ep. 1, 1, 35.
      2. 2. In the times of the later emperors, a sort of guard, armed with the scutum, Amm. 20, 4, 3; 20, 8, 13; Inscr. Orell. 3542 sq.; cf. Vulg. 2 Par. 12, 10.