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.
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
Ebola spreads through direct contact with the bodily fluids of an infected person, including blood, vomit, diarrhoea, saliva, urine, semen and sweat.
From BBC ● May 30, 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
The gruesome trials often require celebrities to eat delicacies like kangaroo anus, crocodile penis and sheep semen, or be trapped with creatures such as snakes, cockroaches and rats.
From BBC ● Nov. 12, 2025
Aristotle argued that such traits—not material to start with—could not materialize into semen.
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.