testicle

noun

Etymology: Borrowed from Latin testiculus, diminutive of testis.

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.

   “In France, Mme. de Pompadour was induced by Louis XV to eat such testicles in order to break down her frigidity.”

   “Despite your jogging and the hairiness of your legs, the shoe of aging is beginning to pinch. Soon you'll regret all that sun-tanning. Your face will look like a testicle.”

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).