The action of moving (wings) up and down.
| 单词 | θ29397 | 
| 释义 | the world > animals > by habits or actions > habits and actions > 			[noun]		 > flutter (of wings) (5)		 flapping1398 The action of moving (wings) up and down. beatingc1440 The infliction of repeated blows; spec. the action of inflicting blows in punishment; the dashing of waves against the shore; the whipping up of a… flap1774 ‘The motion of something broad and loose’ (Johnson), as a wing or a fly-flapper; the noise produced by its motion, or by contact with some other… wafture1795 The waving (of a wing or wings). flaff1827 A flutter or flapping of the wings; also, a puff, gust. | 
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