Bank protection element, precast of concrete, consisting of four legs joined at a central block, each leg making an angle of 109.5° with the other three, like rays from the center of a tetrahedron to the center of each face.
Selected tetrapod links:
© 1997-2006 Healthboard.com.
Healthboard.com is a purely
informational website, and should not be used as a substitute
for professional legal, medical or technical advice.