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n. pl. stig·mas or stig·ma·ta (stĭg-mä′tə, -măt′ə, stĭg′mə-)
1. An association of disgrace or public disapproval with something, such as an action or condition: "Depression ... has become easier to diagnose, and seeking treatment does not carry the stigma it once did" (Greg Critser). See Synonyms at stain.
a. A visible indicator of disease.
b. A small bodily mark, especially a birthmark or scar, that is congenital or indicative of a condition or disease.
3. Psychology A bleeding spot on the skin considered to be a manifestation of conversion disorder.
4. stigmata Christianity Bodily marks, sores, or sensations of pain corresponding in location to the crucifixion wounds of Jesus, believed to be given as divine recognition of devotion.
5. Botany The apex of the pistil of a flower, on which pollen grains are deposited and germinate.
6. Biology A small mark, spot, or pore, such as the respiratory spiracle of an insect or an eyespot in certain protists.
7. Archaic A mark burned into the skin as a visible identifier of a person as a criminal or slave; a brand.
[Middle English stigme, brand, from Latin stigma, stigmat-, tattoo indicating slave or criminal status, from Greek, tattoo mark, from stizein, stig-, to prick; see steig- in Indo-European roots.]
of or relating to a stigma