What is the meaning of Canner?

Someone or something which cans.

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.

Someone who lives off container deposit refunds from recycling.

An animal yielding inferior meat best suited to canning.

to cane, to furnish a chair with overlapping strips of cane, reed or rattan

to can

to die

A manufacturer of cans.

A machine that removes impurities from wine.

Source: wiktionary.org