bevelled surface meaning in Hindi

• प्रवणित धरातल • प्रवणित पृष्ठ • प्रवणित पृष्‍ठ • प्रवणित सतह

bevelled: प्रवणित
surface: बाह्य परत तल धरातल

One of the very old internal ceiling beams shows a bevelled surface along one side and a flat surface on the other.