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.
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
That NHS test, which is processed in a laboratory, measures the level of PSA released by the prostate, a small gland involved in the production of semen.
From BBC • Mar. 4, 2025
The anti-aging beauty treatment involves injecting a DNA component extracted from salmon semen into the skin to stimulate new collagen production and achieve a more hydrated, plump look.
From Salon • Jan. 25, 2025
Aristotle offered an alternative theory that was strikingly radical for its time: perhaps females, like males, contribute actual material to the fetus—a form of female semen.
From "The Gene" by Siddhartha Mukherjee
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.
