house
As used in France’s Champagne region, the word “house” refers to a company (such as Taittinger or Veuve Clicquot) that produces and sells its Champagne under its brand name.
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.