Pronunciation: (oks'bō"),[key] —n. 1. a U-shaped piece of wood placed under and around the neck of an ox with its upper ends in the bar of the yoke.
2. Physical Geog.,Geol. a. a bow-shaped bend in a river, or the land embraced by it.
b. Also called ox'bow lake'. a bow-shaped lake formed in a former channel of a river.