The term 'hammering tool' can be summarized by the crossword solution 'MAUL, ' which is a four-letter word. A MAUL is a heavy, long-handled hammer that is used for driving stakes, wedges, and posts into the ground. It is also used to split logs and other materials. The head of a MAUL is usually made of metal and is much heavier than a regular hammer. Mauls are often used in construction and carpentry work.