testicle

Từ điển Oxford Advanced Learner 8th

tes·ticle [testicle testicles] BrE [ˈtestɪkl] NAmE [ˈtestɪkl] noun
either of the two organs that produce ↑sperm, located in a bag of skin below the ↑penis
Derived Word: ↑testicular

Word Origin:
late Middle English: from Latin testiculus, diminutive of testis ‘a witness’ (i.e. to virility).

• Từ đồng nghĩa / Synonyms:
  testis, orchis, ball, ballock, bollock, nut, egg