1. A crossbar or yoke on a vehicle drawn by two horses, to which the traces of each horse are attached.
Usage: Also called a whiffletree or evener in some regions.; Primarily used in historical or agricultural contexts.

Examples

• The farmer hitched the two horses to the doubletree before pulling the plow.
• Each horse's harness was connected to an end of the doubletree.
• The doubletree allowed the weight to be distributed evenly between the two draft animals.
• Without a proper doubletree, the horses would not pull the wagon in a straight line.
• The old wooden doubletree was still in use on the heritage farm.