uterus
noun
uter·us
ˈyü-tə-rəs 
ˈyü-trəs
plural uteri
ˈyü-tə-ˌrī
or uteruses
or uteruses
1
: a muscular organ of the female mammal for containing and usually for nourishing the young during development prior to birth
called also womb
2
: a structure in some lower animals analogous to the uterus in which eggs or young develop
Examples of uterus in a Sentence
Recent Examples on the Web
Your provider may also use imaging tests, like a pelvic ultrasound, which uses sound waves to create images of your uterus and find the cause of heavy bleeding.15
In some cases, your provider may perform a hysteroscopy.
—
Brandi Jones, Msn-Ed, Health, 8 Mar. 2025
Endometriosis causes tissue that is similar to the uterine lining to grow outside of the uterus.
—Elizabeth Ayoola, Essence, 6 Mar. 2025
Once the sperm has been obtained from the birthing parent’s partner or a sperm donor, the healthcare provider can place it directly into the uterus.
—Khadeja Haye, Verywell Health, 26 Feb. 2025
Endometriosis is when tissue similar to the lining of the uterus grows outside of the uterus.
—Tom Gavin, EverydayHealth.com, 26 Feb. 2025
See All Example Sentences for uterus
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Brandi Jones, Msn-Ed, Health, 8 Mar. 2025
Endometriosis causes tissue that is similar to the uterine lining to grow outside of the uterus.
—Elizabeth Ayoola, Essence, 6 Mar. 2025
Once the sperm has been obtained from the birthing parent’s partner or a sperm donor, the healthcare provider can place it directly into the uterus.
—Khadeja Haye, Verywell Health, 26 Feb. 2025
Endometriosis is when tissue similar to the lining of the uterus grows outside of the uterus.
—Tom Gavin, EverydayHealth.com, 26 Feb. 2025
See All Example Sentences for uterus
Cite this Entry
“Uterus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uterus. Accessed 12 Mar. 2025.
Copy CitationKids Definition
uterus
noun
uter·us
ˈyüt-ə-rəs
plural uteruses or uteri
-ˌrī
: the muscular organ of a female mammal in which the young develop before birth
called also womb
Medical Definition
uterus
noun
uter·us
ˈyüt-ə-rəs
plural uteri
-ˌrī
also uteruses
also uteruses
: an organ in female mammals for containing and usually for nourishing the young during development prior to birth that consists of a greatly modified and enlarged section of an oviduct (as in rodents and marsupials) or of the two oviducts united (as in the higher primates including humans), that has thick walls consisting of an outer serous layer, a very thick middle layer of smooth muscle, and an inner mucous layer containing numerous glands, and that during pregnancy undergoes great increase in size and change in the condition of its walls
called also womb
see cervix sense 2a, corpus uteri, endometrium, fundus sense c, myometrium, perimetriumLove words? Need even more definitions?
Merriam-Webster unabridged
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