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)

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Example Sentences

See Examples For:

semen

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

Shaun Greenaway, 43, was diagnosed in 2018 with azoospermia - a condition in which no sperm are present in the semen.

From BBC ● Jun. 26, 2026

James was away for work on a construction site when the results of his semen analysis eventually came through.

From BBC ● Jun. 26, 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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