adjective
inguinal
ING-gwuh-nuhl/ˈɪŋɡwənəl/
Relating to the groin.
The man indicates the inguinal region where his lower abdomen meets his upper thigh.

Etymology
Latin inguen names the groin, and the adjective makes that body region a term of relation. Inguinal describes structures or conditions associated with the groin.
In context
the skin of the scrotum drains completely differently. It drains to the superficial inguinal lymph nodes in the groin.
More examples
- An inguinal hernia can cause a bulge in the groin.
- Inguinal lymph nodes sometimes swell in response to infection.
- She reports inguinal pain when she lifts heavy boxes.