秋千用英语叫做 "swing". 来源方面，"swing" 这个词是源自中世纪英语 "swingan"，意思是"摇摆"。例如：

She loves to swing on the swing in the park.

The swing set in the backyard is where the kids spend most of their time.

He gave the swing a push, sending her soaring through the air.