Gr. Antiq. Also in L. and Gr. forms 6–9 tetradrachma, 7–8 -drachmon. [ad. Gr. τετράδραχμον: see TETRA- and DRACHM.] A silver coin of ancient Greece, of the value of four drachms: see DRACHM 1.
1579–80. North, Plutarch (1595), 313. Foure Tetradrachmas a day.
1770. Swinton, in Phil. Trans., LXI. 92. A fine Punic tetradrachm.
1807. Robinson, Archæol. Græca, V. xxvi. 567. The less ancient tetradrachms were current during four or five centuries.
1879. H. Phillips, Notes Coins, 6. The cistophori are tetradrachms bearing as their generic type a wreath and berries of ivy, surrounding a chest whence issue serpents.
Hence Tetradrachmal a., of or pertaining to a tetradrachm.
1770. Swinton, in Phil. Trans., LXI. 98. The medal … is of the tetradrachmal form.
1771. Raper, ibid., 533. Had the first Denarius been Didrachmal or Tetradrachmal, so well-informed a writer must have known it.
