from the GNU version of the Collaborative International Dictionary of English
- n. a bridge formed of an arch of timber or iron, often braced, the thrust of which is resisted by a tie forming a chord of the arch.
from The Century Dictionary and Cyclopedia
- n. A bridge in which the horizontal thrust of the arch is sustained by a horizontal tie attached as nearly as possible at the chord-line of the arch. Also called tension-bridge.
Sorry, no etymologies found.