sauna

noun
  1. A small room or building designed as a place to experience dry or wet heat sessions, typically used for relaxation and health benefits. The heat promotes sweating and can help with muscle relaxation and detoxification. noun
    After a long day at work, she relaxed in the sauna to relieve stress.
    The gym offers a sauna for members to use after their workouts.
  2. To use a sauna; to spend time in a sauna for relaxation or health purposes. verb
    They decided to sauna after their swim to unwind.
    He saunas regularly to help with his circulation and skin health.