1. plural of tailboard; hinged or removable boards at the back of a truck, wagon, or trailer that can be lowered to facilitate loading and unloading

Examples

• The workers lowered the tailboards to unload the heavy equipment.
• Both tailboards were damaged in the accident and needed replacement.
• The delivery truck’s tailboards made it easy to slide the furniture out.
• Old farm wagons had wooden tailboards that could be removed completely.
• The tailboards on the trailer were reinforced to handle heavier loads.
• Make sure the tailboards are securely fastened before driving.