pəˈrapsədə noun plural
Usage: capitalized
Etymology: New Latin, from para- (I) + -apsida (from Greek hapsid-, hapsis arch, loop) — more at apsis
in some classifications : a subclass of reptiles in which the skull has two dorsal temporal openings adjoining the parietals and which includes the ichthyosaurs and related extinct forms and sometimes the lizards and snakes — compare diapsida