flour
n. C / Un. a fine powder made by crushing grains like wheat. You use it as the main ingredient for making bread, cakes, and pasta.
n. a fine powder obtained by grinding grain, typically wheat, used as a primary ingredient in baking and cooking.
You need two cups of flour to bake this bread.
The baker dusted the wooden table with flour before he started kneading the heavy dough.
While all-purpose flour is suitable for most home baking, professional pastry chefs often prefer specialized varieties with specific protein contents to achieve the perfect texture.
Spelled (until about 1830) and meaning flower in the sense of flour being the "finest portion of ground grain" (compare French fleur de farine, fine fleur). Doublet of fleur, flor, and flower. Partially displaced native meal. The U.S. standard of identity comes from 21CFR137.105.
Uncountable when referring to the substance in general; countable when referring to specific types or brands of the powder.
I bought three floursI bought three bags of flourAs a mass noun, flour is usually measured in units like bags or grams rather than being counted directly.