Generalbeam March 10, 2013 1. A structural member whose prime function is to carry transverse loads, as a joist, girder, rafter, or purlin. The […] anchor beam, binding beam, breastsummer beam, camber beam, ceiling beam, collar beam, cross beam, dragon beam, floor beam, ground beam, hammer beam, I-beam, laced beam, perimeter beam, summerbeam, tie beam, top beam, wind beam