Lewis & Short

Nŏmăs, ădis, comm., = Νομάς (pasturing flocks); in plur. Nŏmădes,

  1. I. pastoral people that wander about with their flocks, Nomads, Plin. 5, 3, 2, § 22.
    Hence,
  2. II. In partic., the (wandering) Numidians, Verg. A. 4, 320; cf. Paul. ex Fest. p. 173 Müll.
    In sing. collect., a Numidian, Sil. 5, 194.
    In fem.: Nomas versuta, a Numidian fortune-teller, Prop. 4 (5), 7, 37.
    Hence,
    1. B. Transf.: Nŏmas, ădis, f., Numidia, Mart. 8, 55, 8; 9, 75, 8.