overlapping(n = noun.artifact) imbrication, lapping - covering with a design in which one element covers a part of another (as with tiles or shingles);
is a kind of covering
Derived form verb overlap₂

   same as clinker-built; -- of ships. [WordNet 1.5]

   A covering with an overlapping design, as with tiles or shingles. [WordNet 1.5]