Per"co*la`tor (?), n.
One who, or that which, filters. "[Tissues] act as percolators." Henfrey.
© Webster 1913
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.
© Webster 1913