Dog-leg and Oxbow

Oxbow and dog-leg are semantically related. In some cases you can use "Oxbow" instead a noun phrase "Dog-leg".

Oxbow noun - A 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.

Dog-leg and oxbow are semantically related. You can use "Dog-leg" instead a noun "Oxbow".