Definition of palatoquadrate in English:

palatoquadrate

adjective

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

noun

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

Origin

Mid 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist.