semen
Americannoun
noun
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the thick whitish fluid containing spermatozoa that is ejaculated from the male genital tract
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another name for sperm 1
Etymology
Origin of semen
First recorded in 1350–1400; Middle English, from Latin sēmen “seed”; akin to serere “to sow” ( see also sow 1)
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
James was away for work on a construction site when the results of his semen analysis eventually came through.
From BBC ● Jun. 26, 2026
Ebola is transmitted through contact with infected bodily fluids, including blood, urine, vomit, semen and breast milk.
From BBC ● Jun. 17, 2026
There is no systematic tracking of sperm count or national effort to monitor semen health in the United States.
From Salon ● May 15, 2026
Researchers from the UK, Canada and Denmark analysed semen samples from 15,581 men in Denmark and Florida, all aged between 18 and 45.
From BBC ● Feb. 25, 2026
Once inside the womb, semen matured into a fetus via nourishment from the mother.
From "The Gene" by Siddhartha Mukherjee
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.