verb
- to annex or attach jointly with another party; to unite or incorporate together
Usage: formal; rare; chiefly historical or legal contexts
Examples
- The two nations agreed to coannex the disputed territory under a shared administration.
- The treaty allowed both powers to coannex the coastal region.
- They sought to coannex their properties to create a larger estate.
- The agreement enabled the states to coannex the border lands peacefully.