pinion
/ˈpɪnɪən; `pɪnjən/ n
(fml 文)
1
(a) outer segment of a bird's wing （鸟翼的）翼梢.
(b) (dated 旧) bird's wing 鸟翼; 翅膀.
2 any of the stiff feathers which support a bird when it is flying; flight-feather 飞羽; 拨风羽. pinion, v
1 [esp passive 尤用於被动语态
Tn, Tn.pr, Tn.p]
~ sb/sth against/to sth; ~ sth together bind or hold (sb or sb's arms) to prevent him moving 绑住或固定住（某人或某人的胳膊）
They were pinioned against the wall by the lorry. 那辆卡车把他们挤到墙根动弹不得.
He was held with his arms pinioned together behind his back. 他被捉住反剪著双臂.
2 [Tn] cut off the pinions from (a bird or its wing) to prevent it from flying 剪去（鸟或鸟翼）的飞羽.
pinion / ˈpɪnɪən; `pɪnjən/ n small cog-wheel with teeth which fit into those of a larger cog-wheel 小齿轮; 副齿轮. Cf 参看 rack1 3.