fluid dram

definition: a unit of capacity or volume in the apothecary system equal to one eighth of a fluid ounce
example:
speech part: noun
synonyms: fluid drachm drachm fluidram
definition: a British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimeters
example:
speech part: noun
synonyms: fluidram

How fluid dram is being used?