[ je-stey-shuh n ]
/ dʒɛˈsteɪ ʃən /


the process, state, or period of gestating.

Nearby words

  1. gestalt psychotherapy,
  2. gestalt therapy,
  3. gestaltism,
  4. gestapo,
  5. gestate,
  6. gestational,
  7. gestational carrier,
  8. gestational edema,
  9. gestational proteinuria,
  10. gestational psychosis

Origin of gestation

1525–35; < Latin gestātiōn- (stem of gestātiō), equivalent to gestāt(us) (see gestate) + -iōn- -ion

Related formsges·ta·tion·al, ges·ta·tive [jes-tuh-tiv, je-stey-] /ˈdʒɛs tə tɪv, dʒɛˈsteɪ-/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for gestational

British Dictionary definitions for gestational


/ (dʒɛˈsteɪʃən) /


  1. the development of the embryo of a viviparous mammal, between conception and birth: about 266 days in humans, 624 days in elephants, and 63 days in cats
  2. (as modifier)gestation period
the development of an idea or plan in the mind
the period of such a development
Derived Formsgestational or gestative (ˈdʒɛstətɪv, dʒɛˈsteɪ-), adjectivegestatory, adjective

Word Origin for gestation

C16: from Latin gestātiō a bearing, from gestāre to bear, frequentative of gerere to carry

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 gestational
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for gestational


[ jĕ-stāshən ]


The period of fetal development from conception until birth; pregnancy.

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

Science definitions for gestational


[ jĕ-stāshən ]

The period of time spent in the uterus between conception and birth. Gestation in humans is about nine months.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.