Boutique n. 1. Expensive (women's) fashion shop. Department store women's clothing department, fashion gift counters 3. High-end small businesses, boutique stores. Gold-plated ornaments; Jewelry and accessories. Flashy luxury goods. [American-Australian English] (small-scale high-quality winery), small-scale high-quality winery (self-provided raw materials to meet the special needs of customers) [refer to micro-brewing] adj. 1. (Stores) operate small-scale boutique houses and sell small-scale quality products. Fine operation