The term 'BAT DEFENSIVELY' can be summarized by the crossword solution 'STONEWALL, ' which is a nine-letter word. This term is used to describe a defensive strategy in which a person or team attempts to prevent their opponents from making progress. It is often used in sports such as baseball, cricket, and hockey, but can also be applied to other situations such as politics or business. The idea is to create a barrier that is difficult to break through, thus preventing the opposition from achieving their goals.