(used chiefly of viviparous mammals) the young of an animal in the womb or egg, especially in the later stages of development when the body structures are in the recognizable form of its kind, in humans after the end of the second month of gestation.
- Also especially British, foe·tus .
- Compare embryo (def. 1).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use fetus in a sentence
As did their fetuses, including those of the four women who were in their last trimester.The Only Thing More Terrifying Than Ebola Is Being Pregnant With Ebola | Kent Sepkowitz, Abby Haglage | October 2, 2014 | THE DAILY BEAST
To be sure, there are wackos on the anti-choice side, with their photos of fetuses and extreme rhetoric.Ten Reasons Women Are Losing While Gays Keep Winning | Jay Michaelson | July 6, 2014 | THE DAILY BEAST
At early genetic testing, 99 percent of fetuses are normal when a woman is 35, and 97 percent at 40.
Benzene causes cancer, thins the blood to cause symptoms resembling hemophilia, and damages fetuses exposed to it.
That said, these are not the same folks shouting “God Hates Fags” and carrying pictures of aborted fetuses.How Anti-Gay Will Mississippi’s ‘New’ Religious Freedom Bill Be? | Jay Michaelson | March 11, 2014 | THE DAILY BEAST
One of the earliest recorded operations for the extractions of two dead fetuses from the womb is clearly described in chapter 76.
Eclamptic women, and those who have nephritis, are most likely to have undeveloped fetuses.
A woman who has given birth to a monster is likely to have subsequent monstrous fetuses.
Superfetation has occurred by coition during pregnancy, and this results commonly in abortion and the death of both fetuses.
Fetuses were dead and were not appreciably larger than the one of the same clutch in the egg opened on July 31.Life History and Ecology of the Five-lined Skink, Eumeces fasciatus | Henry S. Fitch
British Dictionary definitions for fetus
the embryo of a mammal in the later stages of development, when it shows all the main recognizable features of the mature animal, esp a human embryo from the end of the second month of pregnancy until birth: Compare embryo (def. 2)
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
Scientific definitions for fetus
The unborn offspring of a mammal at the later stages of its development, especially a human from eight weeks after fertilization to its birth. In a fetus, all major body organs are present.
- fetal adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for fetus
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.