Term: flap: the motion made by flapping up and down
Broader: wave: (physics) a movement up and down or back and forth | Unrelated: calcarine sulcus: a sulcus in the mesial surface of the occipital lobe of the cerebrum
Broader: wave: (physics) a movement up and down or back and forth | Unrelated: request: the verbal act of requesting
Broader: wave: (physics) a movement up and down or back and forth | Unrelated: parasitic jaeger: a variety of jaeger
Broader: wave: (physics) a movement up and down or back and forth | Unrelated: battleship: large and heavily armoured warship
Broader: wave: (physics) a movement up and down or back and forth | Unrelated: bamboo: the hard woody stems of bamboo plants; used in construction and crafts and fishing poles
Broader: wave: (physics) a movement up and down or back and forth | Unrelated: leeway: (of a ship or plane) sideways drift
Broader: wave: (physics) a movement up and down or back and forth | Unrelated: orangery: a place where oranges are grown; a plantation of orange trees in warm climes or a greenhouse in cooler areas
Broader: wave: (physics) a movement up and down or back and forth | Unrelated: bibliomania: preoccupation with the acquisition and possession of books
Broader: wave: (physics) a movement up and down or back and forth | Unrelated: information warfare: the use of information or information technology during a time of crisis or conflict to achieve or promote specific objectives over a specific adversary or adversaries
Broader: wave: (physics) a movement up and down or back and forth | Unrelated: toothpaste: a dentifrice in the form of a paste