The term 'Dense Clump of Grass' can be broken down into four crossword solutions: TUFT (4 letters), TUSSOCK (7 letters), SOD (3 letters), and CLOD (4 letters). A TUFT is a small bunch of grass, usually growing in a circular shape. A TUSSOCK is a larger clump of grass, often found in marshy areas. SOD is a piece of grass-covered soil, usually cut from the ground and used for landscaping. Finally, a CLOD is a lump of soil, often containing grass and other vegetation. All of these terms refer to a dense clump of grass, which can be found in many different environments.