- a silver coin of ancient Greece, equal to four drachmas.
Also tet·ra·drachm [te-truh-dram] /ˈtɛ trəˌdræm/.
Origin of tetradrachma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for tetradrachma
Historical Examples of tetradrachma
The drachma is now known to have contained about 65 grains of pure silver, consequently the tetradrachma contained 260 grains.