A roofing tile with an S-shaped profile, laid so your down bend of just one tile overlaps the upward curve associated with after that one.
a form of interlocking roof tile with a rounded underneath and over, providing it the form of a elongated S form.
A roofing tile, of particular type, having a transverse area resembling an elongated S set on its part (�).
A tile with a curved surface, convex or concave with reference to its width.
A form of tile virtually incorporating two of two initial kind, so shaped that its cross-section is a double curve, and thus set your section of every tile that is convex upward overlaps the the main after that tile that's concave upward.
A ship's biscuit.
a roofing tile with a S-shape; set in order for curves overlap