1. plural of blade: the flat cutting parts of knives, swords, or other tools
2. plural of blade: flat, narrow leaves of grass or similar plants
3. plural of blade: the flat parts of oars, propellers, or fan parts that move through air or water

Examples

• The chef sharpened the blades of his kitchen knives.
• Fresh blades of grass sprouted after the rain.
• The helicopter’s rotor blades spun rapidly overhead.
• She laced up her blades and glided onto the ice rink.
• The lawn mower blades needed replacement after years of use.
• Wind turbine blades can be over 100 feet long.
• The young blades of wheat swayed in the breeze.