Definition of reannexation in English:

reannexation

Pronunciation /ˌriːanɛkˈseɪʃn/ /ˌriːanəkˈseɪʃn/

noun

  • The action of reannexing; the fact or process of being reannexed.

Origin

Mid 18th century. From re- + annexation, after reannex.