drachm

/dræm/

Other forms: drachms

Definitions of drachm

1. noun

   a unit of capacity or volume in the apothecary system equal to one eighth of a fluid ounce
   synonyms: fluid drachm, fluid dram, fluidram

   type of:

   United States liquid unit

   a liquid unit officially adopted in the United States Customary System
2. noun

   a unit of apothecary weight equal to an eighth of an ounce or to 60 grains
   synonyms: drachma, dram

   type of:

   apothecaries' unit, apothecaries' weight

   any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces
3. noun

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

   type of:

   British capacity unit, Imperial capacity unit

   a unit of measure for capacity officially adopted in the British Imperial System; British units are both dry and wet