limber

Easily bent; flexible; pliant; lithe; yielding.

To cause to become limber; render limber or pliant.

To attach the limber to, as a gun; fasten together the two parts of a gun-carriage, in preparation for moving away: often with up.

The shaft or thill of a wagon: usually in the plural.

The fore part of the carriage of a field-gun or cannon, consisting of two wheels and an axle, with a framework and a pole for the horses.