tasset

Tassets are a piece of plate armour designed to protect the upper legs. They take the form of separate plates hanging from the breastplate or faulds. They may be made from a single piece or segmented. Tassets were mainly used in the Middle Ages by knights.
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Noun
1. one of two pieces of armor plate hanging from the fauld to protect the upper thighs
(synonym) tasse
(hypernym) armor plate, armour plate, armor plating, plate armor, plate armour
(part-holonym) body armor, body armour, suit of armor, suit of armour, coat of mail, cataphract

(n.)
A defense for the front of the thigh, consisting of one or more iron plates hanging from the belt on the lower edge of the corselet.
  

The 15th century defense for the hips that attached to the fauld . Usually a plate of iron or steel , often featuring one or more fluted ribs and a thick rolled edge (at least in the front) for strength. Uncommon during the 14th century; an integral part of most 15th century white harnesses .