the world > food and drink > hunting > fishing > fishing-tackle > net > [noun] > pot for tanning nets
tan-pot1946
1946 K. TennantLost Haven (1947) vii. 96 They could mend nets, boil tan-pots, play football.
1978 Regional Lang. Stud.-Newfoundlandviii. 18 A tan-pot or barking kettle is a large cauldron used for ‘barking’ a fisherman's nets with tan to prevent them from rotting in the salt water.