Mowing sites are areas of land that require regular maintenance and upkeep, usually in the form of lawn mowing. The term 'mowing sites' can refer to both residential and commercial properties, such as parks, golf courses, and other public spaces. The crossword solution for this term is 'LAWNS', which refers to the most common type of mowing site. LAWNS are typically composed of grass and other vegetation, and require regular mowing to keep them looking neat and tidy.