from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. any of several dinosaurs of the family Edaphosauridae, from the Carboniferous and Permian periods, that had a distinctive dorsal sail or crest
from the GNU version of the Collaborative International Dictionary of English
- n. an extinct heavy-bodied reptile of the late Paleozoic having a dorsal sail or crest.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. heavy-bodied reptile with a dorsal sail or crest; of the late Paleozoic
Sorry, no etymologies found.