A roofing unit of wood, asphaltic material, slate, tile, concrete, asbestos cement, or other material cut to stock lengths, widths, and thickness; used as an exterior covering on sloping roofs and side walls; applied in an overlapping fashion; usually in one of the following designs:
chisel pattern,
coursed pattern,
diamond pattern,
fishscale pattern,
sawtooth pattern. Also see
wood shingle and
pine shingle.