[ ree-en-tree ]
/ riˈɛn tri /

noun, plural re·en·tries.

an act of reentering.
the return from outer space into the earth's atmosphere of an earth-orbiting satellite, spacecraft, rocket, or the like.
Law. the retaking of possession under a right reserved in a prior conveyance.
Also called reentry card. Bridge, Whist. a card that will win a trick enabling one to regain the lead previously lost, especially the lead from a particular hand.

Nearby words

  1. reenlistment,
  2. reenter,
  3. reentering angle,
  4. reentering polygon,
  5. reentrant,
  6. reentry vehicle,
  7. reest,
  8. reet,
  9. reevaluate,
  10. reeve

Also re-en·try, re·en·trance, re-en·trance [ree-en-truh ns] /riˈɛn trəns/.

Origin of reentry

late Middle English word dating back to 1425–75; see origin at re-, entry Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for re-entry

British Dictionary definitions for re-entry


/ (riːˈɛntrɪ) /

noun plural -tries

the act of retaking possession of land, etc, under a right reserved in an earlier transfer of the property, such as a lease
the return of a spacecraft into the earth's atmosphere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for re-entry



also reentry, mid-15c., "act of entering again," from re- "again" + entry; probably on model of Middle French rentrer (12c.). Specifically of spacecraft from 1948.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for re-entry


[ rē-ĕntrē ]


Return of the same impulse into an area of heart muscle that it has recently activated but that is now no longer refractory, as in reciprocal rhythm.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.