PERISTYLE Meaning of PERISTYLE in English per ‧ i ‧ style /ˈperəstaɪl, ˈperɪstaɪl/ BrE AmE noun [countable] technical a row of ↑ pillar s around an open space in a building, or the open space itself Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012