cock.horse
n.（名词）Something used as a toy horse, such as the knee of an adult or a rocking horse.玩具马，摇摇马：用作玩具马的东西，例如成年人的膝或摇木马A horse added to a team of horses to assist a wagon through high water or over difficult terrain.马车之后的额外的马：加入一小组马的一匹马，帮助四轮运货马车通过深水或越过困难地形.
来源：[Origin unknown] [词源不明]
