A weight of twenty grains; the third part of a dram.
- An uneasy feeling arising from conscience or principle that tends to hinder action. See Synonyms at qualm.
- A unit of apothecary weight equal to about 1.3 grams, or 20 grains.
- A minute part or amount.
- To hesitate as a result of conscience or principle: "A man who could make so vile a pun would not scruple to pick a pocket” ( John Dennis).