testis

noun

tes·​tis ˈte-stəs How to pronounce testis (audio)
plural testes ˈte-ˌstēz How to pronounce testis (audio)
: a typically paired male reproductive gland that produces sperm and secretes testosterone and that in most mammals is contained within the scrotum at sexual maturity

Examples of testis in a Sentence

Recent Examples on the Web They are produced in higher quantities in people with testes than in people with ovaries. Anna Giorgi, Verywell Health, 11 July 2024 For instance, some kids with ovaries start puberty as young as age 8 or 9, while those with testes start puberty a little later. Jennifer O'Donnell, Parents, 2 July 2024 The tissue was acquired from males who had died in accidents and whose testes had been preserved post-autopsy. Susanne Rust, Los Angeles Times, 22 May 2024 John Cooley, an entomologist at the University of Connecticut, told the Independent in April that once the fungus takes over a male cicada’s body, their testes are the first to go, sterilizing the insect before killing it. Emily Deletter, USA TODAY, 10 June 2024 See all Example Sentences for testis 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'testis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Latin, witness, testis

First Known Use

1650, in the meaning defined above

Time Traveler
The first known use of testis was in 1650

Dictionary Entries Near testis

Cite this Entry

“Testis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/testis. Accessed 24 Jul. 2024.

Kids Definition

testis

noun
tes·​tis ˈtes-təs How to pronounce testis (audio)
plural testes ˈtes-ˌtēz How to pronounce testis (audio)
: an oval-shaped male reproductive gland that produces sperm and secretes testosterone and that in most mammals is contained within the scrotum

Medical Definition

testis

noun
tes·​tis ˈtes-təs How to pronounce testis (audio)
plural testes ˈtes-ˌtēz How to pronounce testis (audio)
: a typically paired male reproductive gland that usually consists largely of seminiferous tubules from the epithelium of which spermatozoa develop, that contains androgen-secreting Leydig cells in the interstitial tissue, that corresponds to the ovary of the female and in craniate vertebrates develops from the genital ridges of the embryo, and that in most mammals descends into the scrotum before the attainment of sexual maturity and in many cases before birth

More from Merriam-Webster on testis

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