1. the areas where the legs meet the torso on each side of the body
Usage: anatomy
2. low walls built out into the sea to prevent beach erosion
Usage: coastal engineering

Examples

• The soccer player pulled a muscle in his groin during practice.
• She felt pain in her groin after the long hike.
• The doctor examined the patient’s groin for swollen lymph nodes.
• The city built stone groins along the beach to stop sand erosion.
• The groins helped protect the shoreline from storm damage.
• Workers repaired the damaged groins after the hurricane.