noun.
The act of reentering.
noun.
The return of a spacecraft into the atmosphere.
noun.
The reactivation of (a region of) myocardial tissue by a single, returning impulse
noun.
A resuming or retaking possession of what one has lately foregone, especially land; the entry by a lessor upon the premises leased, on failure of the tenant to pay rent or perform the covenants in the lease.