Term: orthopter: heavier-than-air craft that is propelled by the flapping of wings
Broader: craft: a vehicle designed for navigation in or on water or air or through outer space | Unrelated: vinyl: shiny and tough and flexible plastic; used especially for floor coverings
Broader: craft: a vehicle designed for navigation in or on water or air or through outer space | Unrelated: free world: anti-communist countries collectively
Broader: craft: a vehicle designed for navigation in or on water or air or through outer space | Unrelated: harmonium: a free-reed instrument in which air is forced through the reeds by bellows
Broader: craft: a vehicle designed for navigation in or on water or air or through outer space | Unrelated: punched card: a card on which data can be recorded in the form of punched holes
Broader: craft: a vehicle designed for navigation in or on water or air or through outer space | Unrelated: ozark chinkapin: shrubby tree closely related to the Allegheny chinkapin but with larger leaves; southern midwestern United States
Broader: craft: a vehicle designed for navigation in or on water or air or through outer space | Unrelated: cable: a nautical unit of depth
Broader: craft: a vehicle designed for navigation in or on water or air or through outer space | Unrelated: tug-of-war: a contest in which teams pull of opposite ends of a rope; the team dragged across a central line loses
Broader: craft: a vehicle designed for navigation in or on water or air or through outer space | Unrelated: shiftiness: the quality of being changeable in direction
Broader: craft: a vehicle designed for navigation in or on water or air or through outer space | Unrelated: ground crew: the crew of technicians and mechanics who service aircraft on the ground
Broader: craft: a vehicle designed for navigation in or on water or air or through outer space | Unrelated: equation: a mathematical statement that two expressions are equal