1. drachm, drachma, dram

a unit of apothecary weight equal to an eighth of an ounce or to 60 grains

Synonyms

• drachma
• dram

2. drachm, fluid drachm, fluid dram, fluidram

a British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimeters

Synonyms

• fluid drachm
• fluid dram
• fluidram

3. drachm, fluid drachm, fluid dram, fluidram

a unit of capacity or volume in the apothecary system equal to one eighth of a fluid ounce

Synonyms

• fluid drachm
• fluid dram
• fluidram