buttery
The smell and, sometimes, flavor of melted butter in a wine, most often used with mature Chardonnay. buttery is also used to describe the golden color of some wines.
The New Wine Lovers Companion, 2nd Edition, by Ron Herbst and Sharon Tyler Herbst. Copyright © (1) 2003, 1995 by Ron Herbst and Sharon Tyler Herbst. Reprinted by arrangement with Barron's Educational Series, Inc.