jockstrap
jock.strap \'ja:k-.strap\ n [E slang jock (penis) + E strap] : a supporter for the genitals worn by men participating in sports or stre nuous activities
Webster's English Dictionaryjock.strap \'ja:k-.strap\ n [E slang jock (penis) + E strap] : a supporter for the genitals worn by men participating in sports or stre nuous activities