1. a workshop or studio, especially one used by an artist or designer
Usage: often refers to a fashion designer's workroom or a painter's studio
2. a group of workers or apprentices in such a workshop
Usage: less common in modern English

Examples

• The fashion designer's atelier is located in the heart of Paris.
• She spent years working in a prestigious atelier before opening her own boutique.
• The artist's atelier was filled with canvases, brushes, and sketches.
• Many young designers apprentice in established ateliers to learn their craft.
• The atelier produced custom garments for wealthy clients.