Drachma \Drach"ma\, n.; pl. E. Drachmas, L. Drachm[ae]. [L., fr. Gr. ?. See Dram.]

1. A silver coin among the ancient Greeks, having a different value in different States and at different periods. The average value of the Attic drachma is computed to have been about 19 cents.

2. A gold and silver coin of modern Greece worth 19.3 cents.

3. Among the ancient Greeks, a weight of about 66.5 grains; among the modern Greeks, a weight equal to a gram.

Source: Webster's Revised Unabridged Dictionary (1913)