Definition of retrocede in English:

retrocede

transitive verb

[with object] rare
  • Cede (territory) back again.

    • ‘Spain retroceded the colony to France’

Pronunciation

retrocede

/ˌretrəˈsēd/ /ˌrɛtrəˈsid/

Origin

Mid 17th century in sense ‘retreat, recede’: from French rétrocéder ‘go back’.