from the GNU version of the Collaborative International Dictionary of English
- adj. Of or pertaining to the lowest period of the Devonian age. (See the Diagram, under geology.) The Corniferous period has been so called from the numerous seams of hornstone which characterize the later part of the period, as developed in the State of New York.
from The Century Dictionary and Cyclopedia
- Literally, producing or containing horn: applied, in geology, to a group of rocks belonging to the lower portion of the Devonian series, because they contain seams of hornstone.
- n. The group of rocks so characterized.
Sorry, no etymologies found.