pinch. In veterinary medicine, small amounts of animal skin is pinched in order to perform grafting. Pinch of powder A pinch can refer to the taking of a small amount of a powdery substance. In cooking, a "pinch" refers to a small amount of an ingredient, such as salt or a spice, being taken to be placed within a recipe. Small amounts of street drugs are sometimes referred to as a "pinch." References Skin Skin conditions resulting from physical factors Pain infliction methods