A metal plate attached to a buckle; the reinforcing or decorative metal plate that forms part of a buckle mechanism.
From 'buck' (a buckle) + 'plate' (flat sheet of metal). This compound word describes the metal plating component that makes up part of buckle assemblies.
Buckplates were often beautifully decorated in military uniforms, especially in elite regiments—a soldier's buckplate could be polished to a mirror shine and became a point of pride in military dress!
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