Therapsid

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. Any of various reptiles of the order Therapsida of the Permian and Triassic periods, many of which are considered to be direct ancestors of mammals.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. Any extinct reptile of the order Therapsida; thought to be direct ancestors of the mammals
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. probably warm-blooded; considered direct ancestor of mammals
  • Hypernym
    Words that are more generic or abstract