sour bread(n = noun.food) sourdough bread - made with a starter of a small amount of dough in which fermentation is active;
is a kind of bread, breadstuff, staff of life

anadama bread, banana bread, batter bread, black bread, boston brown bread, bread, bread and butter, bread and butter pickle, bread board, bread dough, bread knife, bread line, bread maker, bread mold, bread sauce, break bread, brown bread, caraway seed bread, cinnamon bread, corn bread, cracked-wheat bread, cuckoo bread, daily bread, dark bread, date bread, date-nut bread, dika bread, feast of the unleavened bread, french bread, fry bread, garlic bread, gluten bread, graham bread, hottentot bread, hottentot bread vine, hottentot's bread, hottentot's bread vine, irish soda bread, italian bread, jewish rye bread, kaffir bread, light bread, loaf of bread, monkey bread, nut bread, onion bread, pilot bread, pocket bread, quick bread, raisin bread, rye bread, salt-rising bread, seminole bread, skillet bread, skillet corn bread, soda bread, sour, sour cherry, sour cherry tree, sour cream, sour dock, sour fig, sour gourd, sour grapes, sour grass, sour gum, sour mash, sour mash whiskey, sour note, sour orange, sour salt, sourdough bread, spoon bread, swedish rye bread, tea bread, twice-baked bread, unleavened bread, whiskey sour, whisky sour, white bread, whole meal bread, whole wheat bread