The term 'sciatic area' refers to the area of the body where the sciatic nerve is located. The sciatic nerve is the longest and widest nerve in the human body, running from the lower back down the back of each leg. It is responsible for providing sensation and movement to the lower extremities. The crossword solution for this term is HIP, which stands for the HIP joint, which is the area of the body where the sciatic nerve originates.