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A machine shaped like an aircraft that is held aloft and propelled by wing movements.


(Aeronautics) a heavier-than-air craft sustained in and propelled through the air by flapping wings. Also called: orthopter


(ˌɔr nəˈθɒp tər)

a heavier-than-air craft designed to be propelled through the air by flapping wings.
[< French ornithoptère (1908) =ornitho- ornitho- + -ptère < Greek -pteros -pterous]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ornithopter - heavier-than-air craft that is propelled by the flapping of wingsornithopter - heavier-than-air craft that is propelled by the flapping of wings
heavier-than-air craft - a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it
References in periodicals archive ?
The Ornithopter blends puppetry, object manipulation and physical theatre to introduce an inventor who dreams of touching the sun.
Caption: MIT's model drones: Some detect oncoming obstacles using motion trackers, then "knife" sideways to avoid them (top); the Phoenix ornithopter (lower left) flaps like a bird carrying 400 grams of onboard computer plus sensors; some drones (lower right) can dodge objects such as goalposts.
A few difficult words--Renaissance, millennium, ornithopter, and the scientific types of clouds--create poor readability for lower elementary students, but as a teaching tool with an adult facilitator, the book is excellent.
However, a distinction should be made when focusing on this class of vehicles between bird-like vehicles called Ornithopter and Insect-like vehicles called Entemopters [1].
The device, a new form of ornithopter has wings that push downwards instead of flapping, mimicking the puling movements of a swimming jellyfish.
Every product development effort begins with a plan--traditionally, in the form of diagrams such as Leonardo da Vinci's ornithopter flying-machine drawings, but today, in the form of software representations.
SHERLOCK PROP Estimate: [euro]60,000-[euro]90,000 The Waxflatter Ornithopter is from Steven Spielberg's 1985 film The Young Sherlock Holmes.
Among them was the ornithopter, a flying machine which looks like what we would recognise as a helicopter.
In this edition, the workshops would be Inven-To-Pi, Dogbot, Ornithopter, Cyber Forensics etc.
This structure is later named ornithopter by da Vinci (Scholz, M.
Among other robotic insects being tested in the Biomimetic Millisystems Lab is a winged, bipedal robot called BOLT (Bipedal Ornithopter for Locomotion Transitioning) that more closely resembles the size and aerodynamics of precursors to flying birds and insects.
Roboticists Charles Richter and Hod Lipson, along with their colleagues at Cornell University developed a flapping-wing aircraft, or ornithopter, that weighs just 3.