hip: the ball-and-socket joint between the head of the femur and the acetabulum
ball-and-socket joint: a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
sweet woodruff: Old World fragrant stoloniferous perennial having small white flowers and narrow leaves used as flavoring and in sachets; widely cultivated as a ground cover; in some classifications placed in genus Asperula