blade
🇺🇸
/bleɪd/
🇬🇧
/bleɪd/
the sharp, flat part of a tool or machine used for cutting
Always keep the blade of your knife clean and sharp.
a flat part that spins in an engine or on a helicopter
The helicopter's blade spins very fast to lift it into the air.
the wide, flat part of an oar that goes in the water
The rower dipped the blade of the oar into the water to push the boat forward.
a single, thin leaf of grass
A single blade of grass can grow through concrete.
the flat metal part on the bottom of an ice skate
The sharp blade on the ice skate helps you glide smoothly on the ice.