schnapps, Schiedam
From The Oxford Companion to Spirits & Cocktails
, is a nineteenth-century moniker for genever, so called because of the scores of gin distilleries located in the Dutch city by that name. See genever.
This definition is from The Oxford Companion to Spirits & Cocktails, edited by David Wondrich (Editor-in-Chief) and Noah Rothbaum (Associate Editor).