Fink truss[′fiŋk ‚trəs]
A symmetrical steel roof truss suitable for spans up to 50 feet (15 meters).
Fink truss, Belgian truss, French truss
A symmetrical truss, esp. used in supporting large sloping roofs; in the form of three isosceles triangles—one in the center with its base along the horizontal tie, and each of the outer two having its base along the sloping sides of an upper chord.