dressing room, walk-in closet (US), walk-in wardrobe (UK) (a small room adjoining a domestic bedroom where people may dress or undress in privacy); changing room (UK), locker room (US), dressing room (a room, especially in a gym, designed for people to change their clothes)
clothing, wardrobe (the contents of a wardrobe: an individual's entire collection of clothing); changing room (UK), locker room (US), dressing room (a room, especially in a gym, sports center, designed for people to change their clothes); team (set of players that make up a sports team)