from The Century Dictionary.
- noun A spongiform quartz, a mineral of a spongy texture, of a whitish-gray color, often with a tinge of yellow, so light as to float in water. It frequently contains a nucleus of common flint.
- noun In bricklaying, a stone used to rub curved work smooth and remove the ax-marks, as in the heads and backs of niches. Its form is made the reverse of that of the surface on which it is to be used.
Sorry, no etymologies found.
Sorry, no example sentences found.