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A coffeepot in which boiling water is forced repeatedly up through a central tube to filter back down through a basket of ground coffee beans.
(Cookery) a kind of coffeepot in which boiling water is forced up through a tube and filters down through the coffee grounds into a container
per•co•la•tor(ˈpɜr kəˌleɪ tər)
a type of coffeepot in which boiling water is continuously forced up a hollow stem and filters down through ground coffee, collecting in the bottom of the pot.