The term PERRON PARTS can be broken down into two crossword solutions: RISERS (6 letters) and PERRON (6 letters). RISERS refers to the steps or platforms that are used to ascend or descend a staircase. Perron is a French word meaning 'PORCH' or 'STOOP'. It is also used to refer to the platform at the entrance of a building, such as a church or castle. The term PERRON PARTS therefore refers to the components of a staircase, such as the risers and perrons.