Noun
fat from the back and sides and belly of a hog carcass cured with salt
Source: WordNetMarcy instructed emigrants to put salt pork on the bottom of wagons to avoid exposure to extreme heat. Source: Internet
Southern meals, especially among the poor of both races (and historically among slaves), sometimes consist only of vegetables, with a little meat (especially salt pork) used in cooking but with no meat dish served. Source: Internet