: a viscid whitish fluid of the male reproductive tract consisting of spermatozoa suspended in secretions of accessory glands (as of the prostate and Cowper's glands)
Examples of semen in a Sentence
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Biological material such as semen also fluoresces under UV light.
—
Anirban Mukhopadhyay, Scientific American, 21 Jan. 2026
Prosecutors said the exam revealed Mayfield’s semen on her body and in her underwear.
—Rosalio Ahumada, Sacbee.com, 21 Jan. 2026
Season 1 arguably reached its stylistic apogee in the sixth episode, when, during Pierpoint’s in-office holiday party, Yasmin led Robert into a bathroom and put her hand down his pants, then commanded him to masturbate in front of the mirror and lick his semen from his fingers.
—Rebecca Mead, New Yorker, 8 Dec. 2025
It is transmitted when blood, semen or another body fluid from a person infected with the virus enters the body of someone who’s not infected.
—Deidre McPhillips, CNN Money, 4 Dec. 2025
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Anirban Mukhopadhyay, Scientific American, 21 Jan. 2026
Prosecutors said the exam revealed Mayfield’s semen on her body and in her underwear.
—Rosalio Ahumada, Sacbee.com, 21 Jan. 2026
Season 1 arguably reached its stylistic apogee in the sixth episode, when, during Pierpoint’s in-office holiday party, Yasmin led Robert into a bathroom and put her hand down his pants, then commanded him to masturbate in front of the mirror and lick his semen from his fingers.
—Rebecca Mead, New Yorker, 8 Dec. 2025
It is transmitted when blood, semen or another body fluid from a person infected with the virus enters the body of someone who’s not infected.
—Deidre McPhillips, CNN Money, 4 Dec. 2025
See All Example Sentences for semen
Cite this Entry
“Semen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/semen. Accessed 2 Feb. 2026.
Copy CitationKids Definition
semen
noun
se·men
ˈsē-mən 
: a sticky whitish fluid of the male reproductive tract that contains the sperm
Medical Definition
semen
noun
se·men
ˈsē-mən
: a viscid whitish fluid of the male reproductive tract consisting of spermatozoa suspended in secretions of accessory glands (as of the prostate and Cowper's glands)
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