Lewis & Short

hōroscŏpĭcus, a, um, adj. [horoscopus],

  1. I. indicating the hour: vasa, Plin. 2, 72, 74, § 182.
  2. II. Relating to nativities: libri, Fulg. Myth. 1, 12 al.
    As subst.: hōroscŏ-pĭca, ae, f., the casting of nativities, Mythogr. Lat. 3, 13.