Percolator
Pronunciation : Per"co*la`tor
Part of Speech : n.
Definition : Defn: One who, or that which, filters. "[Tissues] act as percolators." Henfrey.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder