1. The external pouch that contains the testes
   "The nutsack helps regulate the temperature of the testes";
   - scrotum, ball bag [informal], ball sack [informal]

Derived forms: nutsacks

Type of: pocket, pouch

Part of: family jewels [slang], lunch box [Brit, slang], male genital organ, male genitalia, male genitals

Encyclopedia: Nutsack