blade

Noun

• the flat part of a tool or weapon that (usually) has a cutting edge

• flat surface that rotates and pushes against air or water

• the part of the skate that slides on the ice

• a broad flat body part (as of the shoulder or tongue)

• a cut of beef from the shoulder blade

• a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard

• something long and thin resembling a blade of grass
  • a blade of lint on his suit
    

• a dashing young man
  • gay young blades bragged of their amorous adventures
    

• especially a leaf of grass or the broad portion of a leaf as distinct from the petiole

Related words

• Synonyms: 
  vane , sword , brand , steel , leaf blade