from The Century Dictionary and Cyclopedia
- n. Any metallic bar of arched shape, as the iron bar taking the place of a brick arch over the ash-pit door of some furnaces.
- n. The upper member of a curved truss.
- n. A wrought-iron bar extending from the bolster of a car-truck each way to the top of the journal-boxes.
Sorry, no etymologies found.
She received some modifications, including a water-tank extension and reinforcement of the old arch-bar tender trucks.