semen

American  

[see-muhn] / ˈsi mən /

noun

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

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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

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semen Scientific  

/ sē′mən /

1. A thick, whitish fluid that is produced during ejaculation by male mammals and carries sperm cells.

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semen Cultural  

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

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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

See Examples For:

semen

Ebola is transmitted through contact with infected bodily fluids, including blood, urine, vomit, semen and breast milk.

From BBC ● Jun. 17, 2026

Ebola spreads through direct contact with the bodily fluids of an infected person, including sweat, saliva, blood, semen, excrement, urine and vomit.

From BBC ● May 31, 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

Aristotle rejected the notion that heredity was carried exclusively in male semen or sperm.

From "The Gene" by Siddhartha Mukherjee

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