Standard Lemma guide

dimetrodon

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /daɪˈmiːtrədɒn/
  • US: /daɪˈmɛtɹədɒn/

1

noun

Meaning 1

Any carnivorous synapsid, of the genus †Dimetrodon, from the Permian period

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

carnivorous dinosaur of the Permian in North America having a crest or dorsal sail

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: synapsid, synapsid reptile

History

Etymology

Borrowed from taxonomic name Dimetrodon.