from the GNU version of the Collaborative International Dictionary of English
- n. an order of fossil gymnospermous plans of the Carboniferous.
from The Century Dictionary and Cyclopedia
- An order of fossil plants, of the class Gymnospermæ, containing the family Bennettitaceæ only, though further research may show that this should be divided into several families.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. fossil gymnospermous plants of the Carboniferous
Sorry, no etymologies found.