puddling

noun

1. The action of making a puddle.

2. The process of working clay, loam, pulverized ore, etc., with water, to render it compact, or impervious to liquids.

3. (canal engineering) The act of lining a canal with puddle to make it watertight.

4. (metallurgy, historical) The first true industrial process to produce steel from pig iron.

5. A group of mallards (ducks).

verb

1. present participle of puddle