1. the process of sifting flour or other fine powder through a cylindrical sieve to remove lumps and aerate it
Usage: chiefly British; baking and milling contexts

1. to sift or strain (flour, powder, etc.) through a fine sieve or cloth
Usage: chiefly British; present participle of 'boult'

Examples

• Boulting the flour ensures a smooth, lump-free batter.
• The baker spent the morning boulting several bags of flour.
• Proper boulting is essential for fine pastry work.
• She was boulting the powdered sugar before dusting the cake.
• Traditional boulting methods are still used in some artisan bakeries.