The horizontal timber member at the top and bottom of timber framed walls, into which studs may be trenched.
Waffle pod slab:
The term used to describe a method used to construct a concrete slab. This method requires that large polyurethane boxes or pods are placed on the ground and the concrete is poured over and around them.
Formed holes or openings placed in the perpend joints of a masonry wall above the level of a flashing or at the bottom of a cavity to permit the drainage of any accumulated water. Weep holes may also be installed in a retaining wall to drain water away from behind the wall relieving hydrostatic pressure.
Forces on a building or structure caused by or due to wind pressure, taken into account in the design of the structure.