hamstring

باللغة العربية: وَتَر اَلْمَأْبَض

1. One of the great tendons situated in each side of the ham, or space back of the knee, and connected with the muscles of the back of the thigh.
2. The biceps femoris, semimembranosus, and semitendinosus muscles. (informal)

الجمع hamstrings