The term DAY SPA (3 letters) is a place to relax. A DAY SPA is a type of business that offers a variety of services for the purpose of improving health, beauty, and relaxation through personal care treatments such as massage, facials, and other body treatments. DAY spas are typically open during normal business hours, and offer a range of services from basic manicures and pedicures to more specialized treatments such as aromatherapy and hydrotherapy.