double-propeller plane doub·lep·ro·pellerplane uncommon noun 1. a propeller plane with an engine that drives two propellers in opposite directions (for stability) Synonymsdouble-propdouble-propeller planetwin-proptwin-propeller-plane Related words Broader terms propeller plane WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
