flour

1. Powder obtained by grinding or milling cereal grains, especially wheat, or other foodstuffs such as soybeans and potatoes, and used to bake bread, cakes, and pastry.
2. The food made by grinding and bolting cleaned wheat (not durum or red durum) until it meets specified levels of fineness, dryness and freedom from bran and germ, also containing any of certain enzymes, ascorbic acid and certain bleaching agents.
3. Powder of other material.

   mustard flour

1. To apply flour to something; to cover with flour.
2. To reduce to flour.
3. To break up into fine globules of mercury in the amalgamation process.

1. A colorful, conspicuous structure associated with angiosperms, frequently scented and attracting various insects, and which may or may not be used for sexual reproduction.
2. A reproductive structure in angiosperms (flowering plants), often conspicuously colourful and typically including sepals, petals, and either or both stamens and/or a pistil.
3. A plant that bears flowers, especially a plant that is small and lacks wood.

   We transplanted the flowers to a larger pot.

4. (usually with in) Of plants, a state of bearing blooms.

   The dogwoods are in flower this week.

5. (hypocoristic) The vulva, especially the labia majora.
6. The best examples or representatives of a group.

   We selected the flower of the applicants.

7. The best state of things; the prime.

   She was in the flower of her life.

8. Flour.
9. (in the plural) A substance in the form of a powder, especially when condensed from sublimation.

   the flowers of sulphur

10. A figure of speech; an ornament of style.
11. Ornamental type used chiefly for borders around pages, cards, etc.
12. (in the plural) Menstrual discharges.

noun

Something that flows, such as a river.