a kind of coffeepot in which boiling water in a repeated process is forced up a hollow stem, filters down through ground coffee in a sievelike container, and returns to the pot below.
per·co·la·tor (pûr'kə-lā'tər) n. 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.
Main Entry: per·co·la·tor Pronunciation: 'p&r-k&-"lAt-&r Function: noun : an apparatus for the extraction of a drug with aliquid solvent by downward displacement