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| or·ni·thop·ter [ àwrnə thóptər ] (plural or·ni·thop·ters) |
noun |
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| Definition: |
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aircraft with flapping wings: an early flying machine that operated using flapping wings. Although many prototypes have been flown in the past 100 years, no ornithopter has ever been commercially successful.
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| [Early 20th century. < French ornithoptère< Greek ornith- "bird" + pteron "wing"] |
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