plural noun
Di·​ap·​si·​da | \ dīˈapsədə \

Definition of Diapsida

in some classifications
: a subclass of reptiles having two pairs of temporal openings in the skull and including the extinct dinosaurs and pterosaurs, the crocodiles and rhynchocephalians, and usually the lizards and snakes — compare parapsida

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Other Words from Diapsida

diapsidan \ (ˈ)dī¦apsədᵊn \ adjective or noun

History and Etymology for Diapsida

New Latin, from di- + -apsida (from Greek hapsid-, hapsis arch, loop)

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Cite this Entry

“Diapsida.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Diapsida. Accessed 20 Oct. 2021.

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