Definition of uterus
uteriplay \ˈyü-tə-ˌrī\ or
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
Recent Examples of uterus from the Web
The problem occurs in up to 20 percent of colon cancers and about 40 percent of endometrial malignancies - cancer in the lining of the uterus.
Doctors removed her uterus, her ovaries, appendix, a foot of her colon and several liters of malignant fluid to eradicate a series of tumors.
Her husband, Dr. Hooman Noorchashm, said the cause was leiomyosarcoma of the uterus, a type of cancer.
Normally about the size of an apple, over the course of nine months the uterus grows up to 500 times larger and about 15 times heavier than before conception.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'uterus'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of uterus
Middle English, from Latin, belly, womb; probably akin to Greek hoderos belly, Sanskrit udara
First Known Use: 14th century
UTERUS Defined for English Language Learners
Definition of uterus for English Language Learners
medical : the organ in women and some female animals in which babies develop before birth
UTERUS Defined for Kids
Definition of uterus for Students
: the organ of a female mammal in which the young develop before birth
Medical Definition of uterus
: 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 2a, corpus uteri, endometrium, fundus c, myometrium, perimetrium
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