a unit of apothecary weight equal to 20 grains
an ethical or moral principle that inhibits action
A weight of ¹⁄₂₈₈ of a pound, that is, twenty grains or one third of a dram, about 1.3 grams (symbol: ℈).
have doubts about
To hesitate or be reluctant to act due to considerations of conscience or expedience.