Noah Webster
Qualm
QU'ALM, noun quam.
1. A rising in the stomach, as it is commonly called; a fit of nausea, or a disposition or effort of the stomach to eject its contents.
2. A sudden fit or seizure of sickness at the stomach; a sensation of nausea; as qualms of heart-sickagony.
For who, without a qualm hath ever look'd on holy garbage, though by Homer cook'd?
3. A scruple of conscience, or uneasiness of conscience.