sperm

1 of 2

noun

plural sperm or sperms
1
a
: semen
b
: a male gamete
especially : spermatozoon sense 1
2
: a product of the sperm whale

sperm-

2 of 2

combining form

variants or spermo- or sperma- or spermi-
: seed : germ : sperm
spermatheca
spermicide

Examples of sperm in a Sentence

Noun The sperm fertilizes the egg.
Recent Examples on the Web
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Noun
Overall, the more motile sperm a man in the study had, the longer he was expected to live. Simon Spichak, Health, 27 Mar. 2025 Our task: document whether the coral below sent up a cloud of eggs and sperm. Brianna Randall, Forbes, 24 Mar. 2025 Suleman used the sperm of a platonic friend to fertilize her eggs. Janine Rubenstein, People.com, 18 Mar. 2025 Salmon sperm facials are much newer to the scene than snail mucin. Sam Delgado, Vox, 17 Mar. 2025 See All Example Sentences for sperm

Word History

Etymology

Noun

Middle English, from Middle French esperme, sperme, from Late Latin spermat-, sperma, from Greek, literally, seed, from speirein to sow; probably akin to Armenian p'aratem I dispense

Combining form

Greek sperm-, spermo-, from sperma

First Known Use

Noun

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of sperm was in the 14th century

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Cite this Entry

“Sperm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sperm. Accessed 8 Apr. 2025.

Kids Definition

sperm

noun
plural sperm or sperms
1
: semen
2
: a mobile male gamete that has a long and thin or rounded head and a long thin tail that acts as a flagellum

called also spermatozoon, sperm cell

Medical Definition

sperm

noun
plural sperm or sperms
1
: the male impregnating fluid : semen
2
: a male gamete
especially : spermatozoon

More from Merriam-Webster on sperm

Last Updated: - Updated example sentences
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