autogiro or autogyro (ˌɔːtəʊˈdʒaɪrəʊ) ![]() | |
| —n , pl -ros | |
| Compare helicopter Also called: gyroplane a self-propelled aircraft supported in flight mainly by unpowered rotating horizontal blades | |
| [C20: originally a trademark] | |
| autogyro or autogyro | |
| —n | |
| [C20: originally a trademark] | |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |