oxbow Definition

1. A collar for a yoked ox, formed from a piece of U-shaped wood the ends of which are attached to the yoke.
2a. geol.
A horseshoe-shaped bend or meander in a river;
2b. geol.
A shallow curved lake found on a flat floodplain alongside a meandering river, and formed when one of the meanders has been cut off by the formation of a stream across the neck of the bend.
Form: oxbow lake (also)