what is a perculator
percolator. n. 1. (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.(ËpÉr kÉËleÉª tÉr). n.oun. 1. percolator-a coffeepot in which boiling water ascends through a central tube and filters back down through a basket of ground coffee beans. coffeepot-tall pot in which coffee is brewed.