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testicle

/ˈtɛstɪkəl/ noun

In Latin: testiculus, cōleus, testis Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about testicle at Wordnik → Where our words come from →

  1. A testis: the male sex and endocrine gland, found in most types of animals, that produces sperm and male sex hormones, including the steroid testosterone.
  2. Either half of the structure that contains the testes: one side of the scrotum and its contents, considered as one object (one half of the ballsack, including its ball).

Origin

Borrowed from Latin testiculus, diminutive of testis.

From Wiktionary, via Kaikki.org (CC BY-SA)