a small shop or a small specialty department within a larger store, especially one that sells fashionable clothes and accessories or a special selection of other merchandise.
2.
any small, exclusive business offering customized service: Our advertising is handled by a new Madison Avenue boutique.
3.
Informal.a small business, department, etc., specializing in one aspect of a larger industry: one of Wall Street's leading research boutiques.
adjective
4.
of, designating, or characteristic of a small, exclusive producer or business: one of California's best boutique wineries.
Origin: 1760–70; < French,Middle French, probably < Old Provençalbotica, botiga (with Late Greekē > ī) < Greekapothḗkē; see apothecary, bottega