crotch

Noun

• external sex organ

• the angle formed by the inner sides of the legs where they join the human trunk

• the region of the angle formed by the junction of two branches
  • they took the south fork
    
  • he climbed into the crotch of a tree
    

Related words

• Synonyms: 
  genitalia , genital organ , genitals , private parts , privates , fork