ˈpätmən noun
( plural potmen )
1.
a. : a servingman employed in a public house — compare potboy
b. : a worker employed by a hotel or restaurant to wash pots and pans by hand
2. : a worker who reduces aluminum in a battery of reduction pots by an electrolytic process
3. : a chemical worker who dehydrates concentrated caustic solutions by boiling off excess water in cast-iron pots