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Synonyms

semen

American  
[see-muhn] / ˈsi mən /

noun

  1. the viscid, whitish fluid produced in the male reproductive organs, containing spermatozoa.


semen British  
/ ˈsiːmɛn /

noun

  1. the thick whitish fluid containing spermatozoa that is ejaculated from the male genital tract

  2. another name for sperm 1

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

semen Scientific  
/ sē′mən /
  1. A thick, whitish fluid that is produced during ejaculation by male mammals and carries sperm cells.


semen Cultural  
  1. The sticky white fluid produced in the male reproductive system that carries sperm.


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.

See Examples For:

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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