Definition of "re-entry"

(countable, uncountable) The act of entering again.  examples

(aerospace) The return of a spacecraft into the Earth's atmosphere.  examples

(law) The reestablishment of possession under a right or rights reserved in a previous conveyance.  examples

(law) The act of retaking possession of land, etc.; the entry by a lessor upon the premises leased, on failure of the tenant to pay rent or perform the covenants in the lease.  examples

(music, of a ukulele) A break in the pitch order of strings.  examples

(physiology) The reactivation of (a region of) myocardial tissue by a single, returning impulse.

(card games, bridge and whist) The act of retaking the lead by winning a trick.  examples

(card games, bridge and whist) A re-entry card.  examples

(surfing) A trick involving climbing a wave and then returning back down its face.  examples