fishtail
/ˈfɪʃteɪl/noun
usu. as modifier
1- an object which is forked like a fish's tail鱼尾状物：
fishtail battlements.
鱼尾状城垛。
1.1
- an uncontrolled sideways movement of the back of a motor vehicle（机动车辆失控的）摆尾行驶：
he hit the brake, sending the car into a fishtail that carried him across the street.
他猛踩刹车, 结果使汽车晃动着尾部开到了街对面。
1.2
- verbno obj. [usu. with adverbial of direction] (of a vehicle) make such a movement（车辆）摆尾：
the vehicle fishtailed from one side of the road to the other.
那辆汽车失控地晃动着尾部从路的一边开到了另一边。
1.3
- with obj. cause (a vehicle) to make such a movement使（车辆）摆尾。