from The Century Dictionary and Cyclopedia
- n. A wedge-shaped stone used in the construction of an arch; a voussoir. See cut under arch.
- n. 2. A flat stone by which the opening into the chamber of some furnaces is covered.
Sorry, no etymologies found.
And hung o'er each arch-stone a crown and a shield;
The ruinous little chapel in the corner, whose walls a quarter of a century before I had distinctly traced, had sunk into a green mound; and there remained over the sward but the arch-stone of a Gothic window, with a portion of the moulded transom attached, to indicate the character and style of the vanished building.