Meaning of FLOUR in English

I. flour 1 /flaʊə $ flaʊr/ BrE AmE noun [uncountable]

[ Date: 1200-1300 ; Origin: ⇨ ↑ flower 1 'best part' ; because it is the best of the grain ]

a powder that is made by crushing wheat or other grain and that is used for making bread, cakes etc

white/wholemeal/rice/wheat etc flour

⇨ ↑ plain flour , ↑ self-raising flour

II. flour 2 BrE AmE verb [transitive]

to cover a surface with flour when you are cooking:

Roll the pastry out on a lightly floured board.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.