hammer beam truss

== English == === Alternative forms === hammer-beam truss hammerbeam truss === Noun === hammer beam truss (plural hammer beam trusses) (architecture) A kind of roof truss, so framed as not to have a tiebeam at the top of the wall. Each principal has two hammer beams, which occupy the situation, and to some extent serve the purpose, of a tiebeam. ==== Translations ==== ==== See also ==== hammer beam roof