Definition of procoracoid in US English:

procoracoid

adjective

Zoology
  • (In amphibians, reptiles, and birds) relating to or designating a bone or cartilage of the pectoral girdle connecting the scapula with the sternum, adjacent to the interclavicle.

noun

Zoology
  • The procoracoid bone or cartilage.

Origin

Mid 19th century; earliest use found in Proceedings of the Academy of Natural Sciences of Philadelphia.