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Noun: copter  kóp-tu
Usage: informal
  1. An aircraft without wings that obtains its lift from the rotation of overhead blades
    "The rescue team arrived quickly in their copter";
    - helicopter, chopper [informal], whirlybird [N. Amer, informal], eggbeater [N. Amer, informal]

Derived forms: copters

Type of: heavier-than-air craft

Encyclopedia: Copter