The Collaborative International Dictionary
Rondache
Rondache \Ron`dache"\, n. [F.] (Anc. Armor.) A circular shield carried by foot soldiers.
Wiktionary
rondache
n. A circular shield carried by foot soldiers.
Wikipedia
Rondache
The rondache or roundel was a shield carried by late Medieval and Renaissance foot soldiers (swordsman). It was made of boards of light wood, sinews or ropes, covered with leather, plates of metal, or stuck full of nails in concentric circles or other figures.