pteridosperm
pte·ri·dos·perm
noun
1.
an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)
Origin
By surface analysis, pterido- + sperm.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.