The term 'BORDERING AREA' can be solved by the crossword solution 'APRON', which is a five-letter word. An APRON is a garment that is worn over other clothing and covers the front of the body. It is typically used to protect clothing from spills and dirt, and is often associated with cooking and other domestic activities. Aprons are also used in certain professions, such as waiters and nurses, to protect their uniforms. In this context, an APRON can be used to refer to an area that borders or surrounds something else.