stack Pronunciation: /stæk/Translate stack | into French | into Italian | into Spanish German translation of stackA. n. 1 (pile) Stoß; Stapel 2 (coll.) (large amount) Haufen (ugs.) 3[chimney] stack = SchornsteinB. v.t. stack [up] = [auf]stapelnstack in other Oxford dictionaries Definition of stack in the British & World English dictionary Definition of stack in the US English dictionary