Lewis & Short

† drachma (old form, drachŭma, like Alcumena, Aesculapius, Plaut. Trin. 2, 4, 23; Ter. Heaut. 3, 3, 40), ae (gen plur. drachmūm, Varr. L. L. 9, § 85 Müll.; usually drachmarum, Ter. Heaut. 3, 3, 40; Cic. Fl. 19, 43), f., = δραχμή.

  1. I. A small Greek coin, a drachma or drachm, of about the same value as the Roman denarius, Enn. ap. Cic. Div. 1, 52; Plaut. Ps. 1, 1, 84 sq.; Ter. And. 2, 6, 20; Cic. Fam. 2, 17; id. Fl. 15, 34; Hor. S. 2, 7, 43 et saep.
  2. II. As a weight, the eighth part of an uncia, the half of a sicilicus, about the same as our drachm, Plin. 21, 34, 109, § 185; Rhem. Fann. de Pond. 17 sq.
      1. 1. † drăco, ōnis (gen. dracontis, Att. ap. Non. 426, 2; acc. dracontem, id. ap. Charis. p. 101 P.), m., = δράκων, a sort of serpent, a dragon (cf.: serpens, anguis, coluber, hydrus, vipera, aspis).
  1. I. Prop. (those of the tame sort, esp. the Epidaurian, being kept as pets by luxurious Romans), Cic. Div. 2, 30; 66; Plin. 8, 17, 22, § 61; 29, 4, 20, § 67; Suet. Aug. 94; Sen. de Ira, 2, 31 al.
    As the guardian of treasures, Cic. Phil. 13, 5, 12; Phaedr. 4, 20; Fest. s. h. v. p. 67, 12 sq. Müll.
  2. II. Meton.
    1. A. Name of a constellation, Cic. poëta N. D. 2, 42, 106 sq.
    2. B. A cohort’s standard, Veg. Mil. 2, 13; Amm. 16, 10, 7: in templa referre dracones, Val. Fl. 2, 276; Treb. Poll. Gallien. 8; cf. Isid. Orig. 18, 3, 3.
    3. C. Marinus, a sea-fish, Plin. 9, 27, 43, § 82; 32, 11, 53, § 148; Isid. Orig. 12, 6, 42.
    4. D. A water-vessel shaped like a serpent, Sen. Q. N. 3, 24.
    5. E. An old vine-branch, Plin. 17, 23, 35, § 206; 17, 22, 35, § 182; 14, 1, 3, § 12.
  3. F. A seafish, Trachinus Draco of Linn., Plin. 9, 27, 43, § 82.
  4. G. In eccl. Lat., the Serpent, the Devil, Vulg. Apoc. 12, 7 al.