Lewis & Short

ĕlĕphantĭnus, a, um, adj. [elephas].

  1. I. Belonging to the elephant: tergum, Mel. 1, 5, 2.
  2. II. = ἐλεφάντινος, pure Lat. eburnĕus, of ivory: liber, consisting of ivory tablets, Vop. Tacit. 8: atramentum, ivoryblack, Plin. 35, 6, 25, § 42: compositio (emplastri), Cels. 5, 19, 24 Daremb.