Definition of Joan of Arc, St
- (circa 1412–31), French national heroine; known as the Maid of Orleans. She led the French armies against the English in the Hundred Years War, relieving besieged Orleans (1429) and ensuring that Charles VII could be crowned in previously occupied Reims. Captured by the Burgundians in 1430, she was handed over to the English, convicted of heresy, and burnt at the stake. She was canonized in 1920. Feast day, 30 May.