flap
https://gyazo.com/9cf068790ce2e62e6409025de73f8fa7
verb (flaps, flapping, flapped) with object
(of a bird) move (its wings) up and down when flying or preparing to fly:
〈鳥が〉羽ばたく, バタバタ飛ぶ
e.g. a pheasant flapped its wings
e.g. no object : gulls flapped around uttering their strange cries.
no object (of something attached at one point or loosely fastened) flutter or wave around:
〈旗などが〉パタパタする, はためく; 〈翼などが〉バタバタ動く; 〈腕などが〉上下に動く
e.g. the tent bent with the gale, and the corners flapped furiously.
wave (something) around or at something or someone:
〈人が〉〈腕〉を(せわしなく)上下に振る［動かす］
e.g. she flapped the duster angrily
e.g. she began flapping her arms to drive away the permeating cold.
strike or attempt to strike (something) loosely with one's hand, a cloth, or a broad implement, especially to drive it away.
(平たい物で)…をピシャリと打つ(away, off).
noun
1. a piece of something thin, such as cloth, paper, or metal, hinged or attached only on one side, that covers an opening or hangs down from something:
フラップ, (一方を留めて)たれ下がった薄いもの; (ポケット･封筒･本のカバーなどの)折り返し; (キノコの)開いたかさ; (防寒用の)耳覆い; (テーブルの)たれ板; (帽子の)たれ縁
e.g. the flap of the envelope
e.g. he pushed through the tent flap.
a hinged or sliding section of an aircraft wing used to control lift:
〘空〙 (飛行機の)フラップ, 下げ翼.
e.g. flaps are normally moved by the hydraulics
e.g. a final approach at sixty knots with 45° of flap.
2. a movement of a wing or an arm from side to side or up and down:
〖通例単数形で〗(旗･翼などの)パタパタする音［動き］, はためき.
e.g. the surviving bird made a few final despairing flaps.
3. in singular informal a state of agitation; a panic:
｟主に英｠ パニック, 興奮［恐慌］状態(panic)
e.g. they're in a flap over who's going to take Henry's lectures.
4. a large broad mushroom.
5. Phonetics a type of consonant produced by allowing the tip of the tongue to strike the alveolar ridge very briefly.
〘音声〙 弾音
DERIVATIVES
flappy adjective
ORIGIN
Middle English: probably imitative.