weight unit, weight - a unit used to measure weight; "he placed two weights in the scale pan"

grain - 1/60 dram; equals an avoirdupois grain or 64.799 milligrams

scruple - a unit of apothecary weight equal to 20 grains

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

apothecaries' ounce, ounce, troy ounce - a unit of apothecary weight equal to 480 grains or one twelfth of a pound

apothecaries' pound, troy pound - an apothecary weight equal to 12 ounces or 373.242 grams