[trabis, trabes, traps] subs. f.
a trabes quae pressioni seu sustentaculo usui est — viga o palanca, cabrestante o aparejo [HYPER machinaa HYP assera,b, →axisa, delphinusb, ligulae, palus, phalangaea,b, preluma, scutulac, →stipesa1, sudis, tigillum, tignumb, →transtrumb, uacerraa, uectisc]
b phaenomeni aetherii genus — cierto meteoro [HYPER phaenomenon aetherium]