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dimetrodon

Syllabification: (di·met·ro·don)
Pronunciation: /dīˈmetrəˌdän/

Definition of dimetrodon

noun

  • a large, carnivorous, synapsid fossil reptile of the Permian period, with long spines on its back supporting a sail-like crest.
    • Genus Dimetrodon, order Pelycosauria, subclass Synapsida

Origin:

modern Latin, from di- 'twice' + Greek metron 'measure' + odous, odont- 'tooth' (taken in the sense 'two long teeth')

dimetrodon in other Oxford dictionaries

Definition of dimetrodon in the British & World English dictionary

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