KICK PLATE - A metal
or plastic strip, placed at the lower edge of a door or riser to
protect it from damage by accidental kicking.
KILOWATT - 1000
watts.
KITE WINDER - The
steps at the curvature of a circular stairway, which are triangular, or
kite-shaped.
KNOLL - A small
rounded hill.
KNOT - The hard
irregular shaped defects in boards caused by cutting at the point where
the branch of a tree meets the truck.