Noun | 1. | ![]() flour - fine powdery foodstuff obtained by grinding and sifting the meal of a cereal grain soya, soya bean, soybean, soy - the most highly proteinaceous vegetable known; the fruit of the soybean plant is used in a variety of foods and as fodder (especially as a replacement for animal protein) soya milk, soybean milk, soymilk - a milk substitute containing soybean flour and water; used in some infant formulas and in making tofu |