diapsid

D2I1A1P3S1I1D2
UK/daɪˈæpsɪd/

noun

Any of very many reptiles, of the subclass Diapsida, that have a pair of openings in the skull behind each eye

Similar
diapsid reptile
Opposite
anapsid
Scrabble 11
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Meanings

noundiapsid (plural diapsids)

plural diapsids

  1. biologyAny of very many reptiles, of the subclass Diapsida, that have a pair of openings in the skull behind each eye

Synonyms & antonyms

nounreptile having a pair of openings in the skull behind each eye

Similar
diapsid reptile
Opposite
anapsid
Broader
reptilereptilian

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Clipping of taxonomic name Diapsida.

Full word history & related roots →

Translations

French diapside
  • diapsidemember of the Diapsida
Polish diapsyd
  • diapsydmember of the Diapsida
Cite this entry
APA

diapsid. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/diapsid

MLA

“diapsid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diapsid. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “diapsid,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/diapsid.

Source: diapsid on Wiktionary, CC BY-SA 4.0.