from The Century Dictionary and Cyclopedia
- Having an extrados (of a certain kind): applied to a true arch in which the curves of the intrados and extrados are concentric and parallel. See arch, 2.
Sorry, no etymologies found.
"This bill requires the construction of an exotic $700 million 'extradosed' bridge design, designates a specific location, and comes with a CBO-scored price tag which makes H.R. 850 the equivalent of a congressional earmark," the letter said.