groin area
nounUK /ɡrɔɪn ˈeəriə/
US /ɡrɔɪn ˈeriə/
The part of your body where your legs meet your belly.
He felt a small ache in his groin area after the long run.
OTHER MEANINGS
2. The area where two sloping surfaces meet, such as in a roof or bridge.
The engineer inspected the groin area of the vaulted ceiling.
3. A curved edge formed by the intersection of two arches or vaults in architecture.
The groin area of the arch was decorated with carved stone.
4. The region of a structure where two members join at an angle.
Water had collected in the groin area of the seawall.