Plackart

A Plackart (also spelt Placcard, Planckart or Placcate) is a piece of medieval and Renaissance era armour, initially covered the lower half of the front torso. It was a plate reinforcement that composed the bottom part of the front of a medieval breastplate. They were predominantly worn in the 15th century. Sometimes they were worn with a metal fi...
Found on http://en.wikipedia.org/wiki/Plackart

Plackart

Reinforcing breastplate worn over the breastplate often for the Tournament.
Found on https://www.royalarmouries.org/collections/glossary
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