: 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
Recent Examples on the Web
Other signs are pain during ejaculation or a decrease in the amount of semen.
—
Julie Scott, People.com, 8 July 2025
Honig said doctors tend to get concerned when sperm counts fall below 15 million sperm per milliliter of semen, or less than 31% of sperm being mobile.
—Aria Bendix, NBC news, 3 July 2025
Researchers at the fertility center analyzed the semen sample with the AI system.
—Jacqueline Howard, CNN Money, 3 July 2025
Recently, researchers modified male mosquitoes to secrete toxic proteins in their semen, to kill female mosquitoes after mating.
—Jay Kakade
june 16, New Atlas, 16 June 2025
See All Example Sentences for semen
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Julie Scott, People.com, 8 July 2025
Honig said doctors tend to get concerned when sperm counts fall below 15 million sperm per milliliter of semen, or less than 31% of sperm being mobile.
—Aria Bendix, NBC news, 3 July 2025
Researchers at the fertility center analyzed the semen sample with the AI system.
—Jacqueline Howard, CNN Money, 3 July 2025
Recently, researchers modified male mosquitoes to secrete toxic proteins in their semen, to kill female mosquitoes after mating.
—Jay Kakade
june 16, New Atlas, 16 June 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 19 Jul. 2025.
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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