drachm

(noun) a unit of apothecary weight equal to an eighth of an ounce or to 60 grains. Synonyms: dram, drachma.

(noun) a British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimeters. Synonyms: fluidram, fluid dram, fluid drachm.

(noun) a unit of capacity or volume in the apothecary system equal to one eighth of a fluid ounce. Synonyms: fluidram, fluid dram, fluid drachm.