The term 'Bunker Tool' can be summarized by the crossword solution 'RAKE, ' which is a four-letter word. A RAKE is a tool used for gardening, farming, and other outdoor activities. It is typically composed of a handle with a row of metal or plastic teeth at the end. Rakes are used to gather leaves, grass clippings, hay, and other debris, as well as to loosen and level soil. In golf, rakes are used to smooth out sand traps and bunkers. Therefore, the term 'Bunker Tool' can be summarized as a RAKE.