five-piece door (plural five-piece doors)

1. (cabinetry) A common design for doors constructed from five separate components: two vertical pieces (stiles), two horizontal pieces (rails) forming a frame, and a distinct center panel, creating a traditional look that allows for wood movement and different materials like MDF or wood veneer for the panel; often seen in Shaker styles.

   Coordinate term: frame and panel

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  frame and panel on Wikipedia.Wikipedia