Definitions

from the GNU version of the Collaborative International Dictionary of English.

  • noun an extinct heavy-bodied reptile of the late Paleozoic having a dorsal sail or crest.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun any of several dinosaurs of the family Edaphosauridae, from the Carboniferous and Permian periods, that had a distinctive dorsal sail or crest

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun heavy-bodied reptile with a dorsal sail or crest; of the late Paleozoic

Etymologies

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Examples

  • What was the song played on the Cher montage on Ellen Degenerass when Cher came to the show? in walking with beasts did petrolacasaurus evolve into edaphosaurus and dimetrodon?

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