main rotor

2 definitions found

main rotor - Collaborative International Dictionary of English v.0.48 :

  main rotor \main rotor\ n. (Aviation)
     The assembly of large rotating airfoils (blades) on a
     helicopter that produce the lift to support the helicopter in
     the air.
     [WordNet 1.5]

main rotor - WordNet (r) 2.1 (2005) :

  main rotor
      n 1: rotor consisting of large rotating airfoils on a single-
           rotor helicopter that produce the lift to support the
           helicopter in the air