A gutted building is a structure that has been emptied of its contents and stripped of its interior features. It is often the result of a fire, demolition, or other destructive event. The term 'gutted building' can also be used to describe a structure that has been left in an unfinished state. In this case, the crossword solution for the term 'Gutted Building' is 'SHELL', which refers to the empty SHELL of a building that remains after it has been gutted.