fettling

1. (UK, countable, gerund, uncountable)Repairing; mending; sorting.

2. (UK, countable, gerund, uncountable)A mixture of ore, cinders, etc., used to line the hearth of a puddling furnace.

3. (UK, countable, gerund, uncountable)The operation of shaving or smoothing the surface of undried clay ware.

regular