flour

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A fine, powdery foodstuff obtained by grinding and sifting the meal of a grain, especially wheat, used chiefly in baking.
• noun Any of various similar finely ground or powdered foodstuffs, as of cassava, chickpeas, or bananas.
• noun A soft, fine powder.
• transitive verb To cover or coat with flour.
• transitive verb To make into flour.

from The Century Dictionary.

• noun An obsolete spelling of flower (in the botanical and derived senses).
• noun The finely ground meal of wheat or of any other grain; especially, the finer part of meal separated by bolting; hence, any vegetable or other substance reduced to a fine and soft powder: as, flour of emery; hop-flour.
• noun A snow-like mass of finely crystallized saltpeter used in the manufacture of gunpowder.
• An obsolete spelling of flower.
• In mining, in the amalgamation process, the mercury is said to flour when it breaks up into fine globules, which, owing to the presence of some impurity, do not unite with the precious metal with which they are brought in contact.
• To grind and bolt; convert into flour: as, to flour wheat.
• To sprinkle with flour.

from the GNU version of the Collaborative International Dictionary of English.

• noun The finely ground meal of wheat, or of any other grain; especially, the finer part of meal separated by bolting; hence, the fine and soft powder of any substance
• noun in milling, a gauze-covered, revolving, cylindrical frame or reel, for sifting the flour from the refuse contained in the meal yielded by the stones.
• noun a tin box for scattering flour; a dredging box.
• noun a flour box.
• noun a mashine for sorting and distributing flour according to grades of fineness.
• noun a mill for grinding and sifting flour.
• transitive verb To grind and bolt; to convert into flour.
• transitive verb To sprinkle with flour.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Powder obtained by grinding or milling cereal grains, especially wheat, and used to bake bread, cakes, and pastry.
• noun Powder of other material, e.g., wood flour produced by sanding wood.
• noun Obsolete form of flower.
• verb To apply flour to something; to cover with flour.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb cover with flour
• verb convert grain into flour
• noun fine powdery foodstuff obtained by grinding and sifting the meal of a cereal grain