1a mark of disgrace associated with a particular circumstance, quality, or person:the stigma of mental disorderto be a non-reader carries a social stigma
2 (stigmata) (in Christian tradition) marks corresponding to those left on Christ’s body by the Crucifixion, said to have been impressed by divine favour on the bodies of St Francis of Assisi and others.
3 Medicine a visible sign or characteristic of a disease:knee deformities or other stigmata of childhood rickets
a mark or spot on the skin.
4 Botany (in a flower) the part of a pistil that receives the pollen during pollination.