noun, plural san·be·ni·tos. (under the Spanish Inquisition)
- an ornamented garment worn by a condemned heretic at an auto-da-fé.
- a penitential garment worn by a confessed heretic, of yellow for the penitent, of black for the impenitent.
noun plural -tos
- a yellow garment bearing a red cross, worn by penitent heretics in the Inquisition
- a black garment bearing flames and devils, worn by impenitent heretics at an auto-da-fé