Lewis & Short

scūtātus, a, um, adj. [scutum].

  1. I. Armed with a scutum (long shield): cohortes, * Caes. B. C. 1, 39: milites, Liv. 8, 8; 33, 14: equites, Verg. A. 9, 370: manus, Sil. 6, 211.
  2. II. Subst.
    1. A. scūtāti, ōrum, m., troops bearing shields (opp. the equites): quattuor milia scutatorum, Liv. 28, 2, 4.
    2. B. = scutarius, II. 2.; Inscr. Orell. 3448 (belonging to A. D. 256).