eau-de-vie still
From The Oxford Companion to Spirits & Cocktails
is a hybrid pot/column still. The most prominent manufacturer of them is Arnold Holstein in Germany, whose stills are frequently used to make eau-de-vie, giving rise to the popular term. See also eau-de-vie, still, hybrid.
This definition is from The Oxford Companion to Spirits & Cocktails, edited by David Wondrich (Editor-in-Chief) and Noah Rothbaum (Associate Editor).