Definition of percolator noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈpɜːkəleɪtə(r)//
; NAmE NAmE//ˈpɜːrkəleɪtər//
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a pot for making coffee, in which boiling water is forced up a central tube and then comes down again through the coffee
See the Oxford Advanced American Dictionary entry: percolator