The term GRASS LEAF can be broken down into two crossword solutions: BLADE (5 letters) and GRASS (5 letters). A BLADE is a thin, flat piece of material, usually metal or plastic, with a sharp edge. Blades are commonly used in tools such as knives, scissors, and lawn mowers. GRASS is a type of plant that grows in many climates and is often used to cover the ground in yards and parks. The leaves of GRASS are thin and flat, making them similar to blades in shape.