Lewis & Short

Hammōn (Amm-), ōnis, m., = Ἄμμων,

  1. I. an Egyptian and Libyan deity, worshipped (in the present oasis Siwah) in the form of a ram, and identified by the Greeks and Romans with Ζεύς and Jupiter; hence, Juppiter Hammon. Connected with his temple was an oracle often consulted by the ancients, Cic. N. D. 29 fin.; id. Div. 1, 43, 95; 1, 1, 3; Curt. 4, 7, 3 sq.; Luc. 9, 514 al. (cf. Cat. 7, 5).
    Hence, Hammonis cornu, a gold-colored precious stone of the shape of a ram’s horn, Ammonite, Plin. 37, 10, 60, § 167.
  2. II. Derivv.
    1. A. Hammōnĭum (Amm-), ĭi, n., the oasis El-Siwah, Curt. 4, 7, 3 sq.
    2. B. Hammōnĭi, ōrum, m., the inhabitants of Hammonium, Curt. 4, 7, 11.
    3. C. Hammōnĭăcus (Amm-), a, um, belonging to Hammon (Libya, Africa).
      1. 1. Adj.: sal, Plin. 31, 7, 39, § 79; Col. 6, 17, 7; Ov. M. Fac. 94.
      2. 2. Subst.: Hammōnĭă-cum, i, n., a resinous gum, which distilled from a tree near the temple of Juppiter Hammon, Plin. 12, 23, 49, § 107; 24, 6, 14, § 23; Cels. 5, 5.