from the GNU version of the Collaborative International Dictionary of English
- adj. Having a lap joint, or lap joints, as many kinds of woodwork and metal work.
from The Century Dictionary and Cyclopedia
- Having joints formed by edges (as of plates) overlapping, as steam-boilers, iron ships, etc.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. jointed so as to produce a flush surface
Sorry, no etymologies found.
Construction is mostly riveted lap-jointed aluminum - backed rivets, not pop rivets though