lading-can

noun2

1. •
   (dialect, historical) A tin can (containing two or three quarts) used for taking hot water out of a boiler.

   • Hurriedly taking off her bodice, she crouched at the boiler while the water ran slowly into her lading-can. — 1913
2. •
   (dialect, historical) A smaller vessel, often graduated for volume, used by traditional grocers for measuring goods such as sugar or rice from bulk to retailable quantities; a piggin.