a small shop or a small specialty department within a larger store, esp. one that sells fashionable clothes and accessories or a special selection of other merchandise.
any small, exclusive business offering customized service: Our advertising is handled by a new Madison Avenue boutique.
a small business, department, etc., specializing in one aspect of a larger industry: one of Wall Street's leading research boutiques.
—adj.
of, designating, or characteristic of a small, exclusive producer or business: one of California's best boutique wineries.