The small of the back refers to the region between the lower ribs and the hips. If you are looking for synonyms for this area, there are several options available. One common alternative is the term "lumbar region," which is often used in medical contexts. Another possibility is the phrase "lower back," which is more commonly used in everyday speech. Some people also use the term "sacral region," which refers specifically to the area around the tailbone. Other possible synonyms for the small of the back include the lower spine, the lumbar spine, and the lumbosacral region. No matter which term you choose, it is important to take care of your back to avoid injuries and other health issues.