blade - definition and synonyms

noun [countable] 

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  1. 1
    the thin sharp part of a knife, tool, or weapon that cuts things
     Synonyms and related words
    1. a.
      the metal bar on the bottom of an ice skate that allows you to move on ice
  2. 2
    a long thin leaf of grass, wheat etc

    a blade of grass

  3. 3
    one of the flat parts of a propeller that spins around and pushes a boat or plane forwards
    1. a.
      one of the thin flat parts that spin around and keep a helicopter in the air
    2. b.
      the flat part at the end of an oar