Percolator

n.	1.	One who, or that which, filters.
	2.	A type of coffee pot in which the heated water is driven by its boiling action up above a porous canister of coffee held above the level of the water in the pot, and then filters (percolates) back through the coffee thus extracting its essence.
	3.	(Pharmacy) An apparatus for producing an extract from a drug by percolation.

Noun

1.

percolator - a coffeepot in which boiling water ascends through a central tube and filters back down through a basket of ground coffee beans

To see or hear a percolator in your dream, suggests that you need to take things a little slower. You need to think things through before taking any action.clarifier, colander, cradle, cribble, filter, lixiviator, purifier, refiner, refinery, riddle, rocker, screen, sieve, sifter, strainer, winnow, winnowing basket, winnowing fan, winnowing machine