A "lip" on a door refers to the raised edge or outer profile that runs around the perimeter of the door, essentially the solid edge that borders the door panel, providing a finished look and sometimes concealing the interior construction of the door; this term is commonly used in cabinetry, where a "lipped door" means a door with a visible edge that overlaps the cabinet frame slightly.

Key points about a door lip:
Function: It protects the door's edges from damage, hides the internal structure, and can contribute to a clean aesthetic.

Appearance: The lip can have different profiles depending on the door style, with options like a half-bead or a square edge.

Cabinetry context: When discussing cabinet doors, a "lipped" door indicates that the door has a visible edge that sits slightly above the cabinet face frame, unlike a "flush" door which sits completely flush.