English dictionary
hammerbeam
/'h/&/m/@/,b/i/m/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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A member of one description of roof truss, called <i>hammer-beam truss</i>, which is 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.
Source: webster1913