Amniote
noun ·Rare ·Advanced level
Definitions
- 1 Any of the Amniota group of vertebrates having an amnion during the development of the embryo; mammals, birds and reptiles.
"Natural selection responded accordingly and the ultimate result was not just the evolution of more amphibians but ultimately of creatures no longer dependent on an aquatic habitat for reproduction, the so-called amniotes – the animals we know today as reptiles, birds and mammals."
- 2 any member of the Amniota wordnet
Example
More examples"Natural selection responded accordingly and the ultimate result was not just the evolution of more amphibians but ultimately of creatures no longer dependent on an aquatic habitat for reproduction, the so-called amniotes – the animals we know today as reptiles, birds and mammals."
Etymology
From scientific Latin Amniota. Thus, by surface analysis, amnio- + -ote.
More for "amniote"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.