Definition of palatopterygoquadrate in English:

palatopterygoquadrate

adjective

Zoology
rare
  • Relating to or consisting of the palatine, pterygoid, and quadrate bones or cartilages.

noun

Zoology
rare
  • A bone of the upper jaw of some vertebrates, composed of a fused palatine, pterygoid, and quadrate; (in certain fishes) a cartilage equivalent to this.

Origin

Late 19th century; earliest use found in George Rolleston (1829–1881), physician and physiologist.