from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A rounded mass, as of flint in chalk, or of ironstone in coal.
from The Century Dictionary and Cyclopedia
- n. Same as niblick.
- n. In mining and geology, a nodule or concretion, such as flint or pyrite, in some other and usually softer rock, as chalk, clay, or coal.
Sorry, no etymologies found.