the.com/slow cooker

means An electric pot that cooks food gently over many hours at a low, steady temperature, usually left unattended on a counter.

from The appliance's core idea — a heated, lidded crock — traces to devices like the 'Naxon Beanery' from the 1940s-50s, built so people could leave dried beans simmering all day. Crock-Pot, launched in the 1970s by the company that bought that design, became the brand name so dominant it turned into the generic word many still use. 'Slow cooker' itself is just plain English description: a cooker that works slow, coined to describe the function once the gadget needed a non-trademarked name.