“testicles” is a form of
testicle
/ˈtɛstɪkəl/ noun
Forms testicles
- noun 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.
- noun (more commonly) 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).
Synonyms
Etymology
Borrowed from Latin testiculus, diminutive of testis.
Webster’s 1913
Etymology [L. testiculus, dim. of testis a testicle, probably the same word as testis a witness, as being a witness to manhood. Cf. Test a witness.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “testicle”, CC BY-SA 4.0. Details