ceratopsian

/S EH1 R AH0 T AO0 P S IY0 AH0 N/
noun
  1. 1

    Any member of this suborder

adjective
  1. 1

    Of or belonging to the Ceratopsia suborder of dinosaurs.

    โ€œOne common ceratopsian feature is a frill extending from the back of the skull.โ€

Source: https://en.wiktionary.org/wiki/ceratopsian