Meaning of dimetrodon

di•met•ro•don

Pronunciation: (dī-me'tru-don"), [key]
— n.
  1. a carnivorous dinosaur, of the genus Dimetrodon, dominant in North America during the Permian Period, up to 10 ft. (3.1 m) long and usually bearing spinal sails.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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