testicle

noun

tes·​ti·​cle ˈte-sti-kəl 

: testis

especially : one of a higher mammal usually with its enclosing structures

testicular

te-ˈsti-kyə-lər 

adjective

Examples of testicle in a Sentence

Recent Examples on the Web

But as Scientific American has previously reported, taking testosterone comes with potential risks, including a decline in fertility, smaller testicles, acne, and more. — Jackie Flynn Mogensen, Scientific American, 20 Aug. 2026

The alleged killers held on to the testicles for two days and, after their attempts to sell them failed, were instructed by Khan to throw them into a lake, police said, per the outlets. — Samira Asma-Sadeque, PEOPLE, 19 Aug. 2026

Mumps can cause deafness and inflame the brain, pancreas, testicles, ovaries and breast tissue. — Los Angeles Times, 15 Aug. 2026

Taking testosterone when your levels are normal can disrupt other hormones, shrink testicles, and increase risks for infertility. — Teresa Maalouf, Verywell Health, 14 Aug. 2026

Word History

Etymology

Middle English testicule, from Latin testiculus, diminutive of testis

First Known Use

15th century, in the meaning defined above

Kids Definition

testicle

noun

tes·​ti·​cle ˈtes-ti-kəl 

: testis

Medical Definition

testicle

noun

tes·​ti·​cle ˈtes-ti-kəl 

: testis

especially : one with its enclosing structures