the land inside an oxbow bend in a rivera U-shaped curve in a streama wooden framework bent in the shape of a U; its upper ends are attached to the horizontal yoke and the loop goes around the neck of an ox
英汉双解大词典
oxbow/ˈɒksˌbəʊ/
1.
N（名词）
a U-shaped piece of wood fitted under and around the neck of a harnessed ox and attached to the yoke U形牛轭