Per"co*la`tor, n. 1. A kind of coffee pot in which the heated water is caused to filter through the coffee and thus extract its essence.

2. (Pharmacy) An apparatus for producing an extract from a drug by percolation.

Per"co*la`tor (?), n. One who, or that which, filters. "[Tissues] act as percolators." Henfrey.

Per"co*la`tor, n. 1. A kind of coffee pot in which the heated water is caused to filter through the coffee and thus extract its essence.

2. (Pharmacy) An apparatus for producing an extract from a drug by percolation.

• A device used to brew coffee by boiling water under pressure through coffee grounds