canner

noun4

1. •
   Someone or something which cans.
2. •
   A large pot used for processing jars when preserving food, either in a boiling water bath or by capturing steam to elevate the pressure and temperature.
3. •
   (US, slang) Someone who lives off container deposit refunds from recycling.

   • Yet many canners told me that they can easily earn a daily wage of 20 or 30 dollars; each then recycles upward of 600 containers every day. — 2007
4. •
   An animal yielding inferior meat best suited to canning.