anapsid

US:USA pronunciation: respellingUSA pronunciation: respelling(ə napsid)


WordReference Random House Unabridged Dictionary of American English © 2025
a•nap•sid  (ə napsid),USA pronunciation adj. 
  1. Reptilesbelonging or pertaining to the Anapsida, a subclass of reptiles, extinct except for the turtles, characterized by having no opening in the temporal region of the skull.

n. 
  1. Reptilesa reptile of the subclass Anapsida. Cf. diapsid.
  • Neo-Latin Anapsida, equivalent. to an- an-1 + -apsida, plural of -apsidum, neuter adjective, adjectival derivative of Greek apsís, hapsís loop, arch (referring to the opening in the skull); see apsis
  • 1930–35

'anapsid' also found in these entries (note: many are not synonyms or translations):

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