main rotor

1. 1.

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

   Broaderrotor

   Partsrotor bladerotor head

Questions about main rotor

What does main rotor mean?

main rotor means "rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air".

Is main rotor a common word?

main rotor is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.