Spirits & Distilling

umbrella drink

From The Oxford Companion to Spirits & Cocktails

is another name for a tiki drink, derived from the ubiquitous paper parasols used as a decorative garnish in the tropical concoctions. See garnish, tiki.

This definition is from The Oxford Companion to Spirits & Cocktails, edited by David Wondrich (Editor-in-Chief) and Noah Rothbaum (Associate Editor).