The word "turf" refers to a specific area of land that belongs to or is controlled by someone or a group, usually used for a specific purpose or activity. Full definition
In the wake of the financial crisis, the bank has drawn back from its investment and overseas units, selling off assets to concentrate on consumer and commercial banking on home turf. (canadianbusiness.com)
We wanted to make sure that people with disability don't slip through the cracks of turf wars between health and disability services. (croakey.org)
This is one of the big reasons family members are so important because they can count toward control of multiple pieces of turf at once. (wolfsgamingblog.com)