re ‧ o ‧ pen /riˈəʊpən $ -ˈoʊ-/ BrE AmE verb [intransitive and transitive]
1 . if a theatre, restaurant etc reopens, or if it is reopened, it opens again after a period when it was closed:
The swimming pool will reopen in May.
2 . if you reopen a discussion, law case etc, or if it reopens, you begin it again after it had stopped
reopen a case/question/debate etc
attempts to reopen the issue of the power station’s future
3 . if a government reopens the border of their country, or if the border reopens, people are allowed to pass through it again after it had been closed