Lewis & Short

Cōmum, i, n., = Κῶμον,

  1. I. a considerable town in Gallia Transpadana, the birthplace of the younger Pliny, now Como, Liv. 33, 36, 14; Plin. Ep. 1, 3, 1; Just. 20, 5, 8; Plin. 3, 17, 21, § 124; rebuilt by Caesar; hence also called Novum Comum (Νεόκωμον), Suet. Caes. 28.
    Hence,
  2. II. Cōmensis, e, adj., of or pertaining to Comum: ager, Liv. 33, 36, 9.
    Absol.: in Comensi, Plin. 2, 103, 106, § 232.
    Subst.: Cōmenses, ium, m., the inhabitants of Comum, Liv. 33, 36, 9; and id. 33, 37, 10; and, acc. to the later ap pel., Nŏvŏcōmensis, Cic. Fam. 13, 35, 1.