1. (noun)fluidram, fluid dram, fluid drachm, drachm a British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimeters Synonyms: fluid drachm, drachm, fluid dram, fluidram, drachma, dram
2. (noun)fluidram, fluid dram, fluid drachm, drachm a unit of capacity or volume in the apothecary system equal to one eighth of a fluid ounce Synonyms: fluid drachm, drachm, fluid dram, fluidram, drachma, dram