Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
drachm is a noun meaning "a unit of apothecary weight equal to an eighth of an ounce or to 60 grains". It carries 3 recorded senses.
a unit of apothecary weight equal to an eighth of an ounce or to 60 grains
a British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimeters
a unit of capacity or volume in the apothecary system equal to one eighth of a fluid ounce
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for drachm come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.