Wiktionary
backplates
n. (plural of backplate English)
Usage examples of "backplates".
The Cuirassiers wore steel breastplates, helmets and backplates, and rode the heaviest horses of all the French cavalry.
Four young riders, dressed in furs with breastplates, backplates, and pointed steel caps, came toward Steve and Marcia.
After I finished bending the backs of the next two with my too-few clamps and they were setting, I could go back to the time-consuming work of the spokes and the diamond backplates with the inlaid initial H.