Word.ws English Dictionary

archosaur

archosaur noun: a reptile of the taxon Archosauria, which includes modern crocodilians and birds, as well as the extinct pterosaurs, non-avian dinosaurs and other taxa.

Noun

archosaur (plural archosaurs)

  1. A reptile of the taxon Archosauria, which includes modern crocodilians and birds, as well as the extinct pterosaurs, non-avian dinosaurs and other taxa.
    • The predominance of archosaurs over other reptiles might be a consequence of their more advanced mode of locomotion compared with their relatives.2012, Winand Brinkmann, Kenneth De Baets, editors, Paleontological Museum of the University of Zürich: Exhibition Guide, Paleontological Institute and Museum of the University of Zürich, →ISBN, page...

Forms of archosaur

pluralarchosaurs

Origin of archosaur

From taxonomic name Archosauria (“taxonomic division of extinct reptiles”), from Ancient Greek ἄρχων (árkhōn, “leader”) + σαύρα (saúra, “lizard”).

Questions about archosaur

What does archosaur mean?
Archosaur means a reptile of the taxon Archosauria, which includes modern crocodilians and birds, as well as the extinct pterosaurs, non-avian dinosaurs and other taxa.
What part of speech is archosaur?
Archosaur is a noun.
What is the plural of archosaur?
The plural of archosaur is archosaurs.

Words near archosaur in the dictionary

  1. archontology
  2. archopallium
  3. archoplasm
  4. archoplasmic
  5. archoplasms
  6. archosaur
  7. archosaurian
  8. archosaurians
  9. archosauriform
  10. archosauriforms
  11. archosauromorph

Source and license

Adapted from Wiktionary: archosaur (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “archosaur.” Word.ws, https://word.ws/archosaur. Based on Wiktionary, CC BY-SA 4.0.