from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tube-like marking found in sandstone and other strata.
from the GNU version of the Collaborative International Dictionary of English
- n. A tubelike marking, occuring in sandstone and other strata.
from The Century Dictionary and Cyclopedia
- n. In geology, a tube-like marking in sandstone and other strata, which resembles the burrow of a worm.
Latin forare to bore + -lite. (Wiktionary)