pinion

名词 pinion:

1. a gear with a small number of teeth designed to mesh with a larger wheel or rack
2. any of the larger wing or tail feathers of a bird
   同义词：flight feather, quill, quill feather
3. wing of a bird
   同义词：pennon

动词 pinion:

1. bind the arms of
   同义词：shackle
2. cut the wings off (of birds)

1. They were pinioned against the wall by the lorry.
   那辆卡车把他们挤到墙根动弹不得。
2. There is something wrong with this pinion; it doesn't move.
   这个小齿轮有问题，不转了。
3. He was held with his arms pinioned together behind his back.
   他被捉住反绑着双臂。

pinion

n.（名词）
The wing of a bird.
鸟翅，羽翼
The outer rear edge of the wing of a bird, containing the primary feathers.
翼尖，前翼：鸟翼的外后缘，包括初生毛
A primary feather of a bird.
翅前羽：鸟的初级飞羽
v.tr.（及物动词）
pin.ioned,pin.ion.ing,pin.ions

To remove or bind the wing feathers of (a bird) to prevent flight.
剪去或绑上前翼羽：为阻止鸟飞跑而剪去或绑上其前翼羽毛
To cut or bind (the wings of a bird).
剪翅：剪去或绑上（鸟的羽翼）

To restrain or immobilize (a person) by binding the arms.
绑住（人的）双臂：绑住人的手臂使不能活动
To bind (a person`s arms).
绑住（手臂）
To bind fast or hold down; shackle.
缚住：紧紧缚住；捆绑

来源：
Middle English
中古英语
from Old French pignon
源自 古法语 pignon
from Vulgar Latin *pinniô pinniôn-
源自 俗拉丁语 *pinniô pinniôn-
from Latin penna, pinna [feather] * see pinna
源自 拉丁语 penna, pinna [羽毛] *参见 pinna

pinion
pinion 2

n.（名词）
A small cogwheel that engages or is engaged by a larger cogwheel or a rack.
小齿轮，齿杆：啮合大齿轮或被大齿轮或齿条啮合的小齿轮

来源：
French pignon
法语 pignon
from Old French peignon
源自 古法语 peignon
probably from peigne [comb]
可能源自 peigne [齿梳]
from Latin pecten
源自 拉丁语 pecten
from pectere [to comb]
源自 pectere [梳理]