Protomammal

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any evolutionary ancestor of the mammals.
  2. 2
    probably warm-blooded; considered direct ancestor of mammals wordnet

Synonyms

All synonyms
therapsidtherapsid

Etymology

From proto- + mammal.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.