Source : Webster's Revised Unabridged Dictionary (1913)

Lap-jointed \Lap"-joint`ed\, a.
   Having a lap joint, or lap joints, as many kinds of woodwork
   and metal work.

Source : WordNet®

lap-jointed
     adj : laid overlapping (not flush) [syn: {lap-strake}, {lap-straked},
            {lap-streak}, {lap-streaked}, {overlapping}]