ALL meanings of dimetrodon
di·met·ro·don
D d - noun dimetrodon an extinct carnivorous mammallike reptile, of the genus Dimetrodon, dominant in North America during the Permian Period, up to 10 feet (3.1 meter) long and usually bearing spinal sails. 1
- noun dimetrodon A large, carnivorous, synapsid fossil reptile of the Permian period, with long spines on its back supporting a sail-like crest. 1
- noun dimetrodon A carnivorous synapsid, of the genus Dimetrodon, from the Permian period. 0