The crossword solution for the term LONG SHOALS is SPITS, which is an acronym for Submerged Parallel Inverted Sill Technology. This technology is used to create a series of underwater ridges that are designed to reduce the speed of water flow and help prevent erosion. The ridges are typically made of concrete or stone and are placed in a parallel pattern along the shoreline. Long Shoals is a specific location where this technology has been used to protect the shoreline from erosion.