semen
Americannoun
noun
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the thick whitish fluid containing spermatozoa that is ejaculated from the male genital tract
-
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.
Expanding this to dairy cows going to slaughter and joining them with Australian semen will provide a very large and quick increase in the American herd.
From The Wall Street Journal ● Sep. 20, 2026
He spent 23 years in prison before his 1999 rape conviction was vacated after his DNA was not detected in any of the blood or semen samples found at the scene.
From Salon ● Aug. 10, 2026
Male fertility experts around the world say they have seen an increase in the number of men requesting semen analysis and expressing concerns about their future fertility.
From BBC ● Jul. 11, 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
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.