TRUSS n.
trusses when left visible, as in open timber roofs, often contain members not needed for construction, or are built with greater massiveness than is requisite, or are composed in unscientific ways in accordance with the exigencies of style. Truss rod, a rod which forms the tension member of a trussed beam, or a tie ro…
WAX n.
A fatty, solid substance, produced by bees, and employed by them in the construction of their comb; -- usually called beeswax. It is first excreted, from a row of pouches along their sides, in the form of scales, which, being masticated and mixed with saliva, become whitened and tenacious. Its natural color is pale or…