Definition of "stigma"

stigma¹

/ˈstɪɡmə/

noun
plural stigmata or stigmas
1. A mark of infamy or disgrace.
  1. Discriminatory attitudes.
2. A scar or birthmark.
3. (Christianity, chiefly in the plural stigmata) A mark on the body corresponding to one of the wounds of the Crucifixion on Jesus' body, and sometimes reported to bleed periodically.
4. (literary, figurative) An outward sign; an indication.
  Quotations
  Bradly scowled - the stigmata of alarm. What ultimate threat to his peace and privacy did this dropping in by young Podson imply?
  1938, Norman Lindsay, Age of Consent, 1st Australian edition, Sydney, N.S.W.: Ure Smith, published 1962, page 65
5. (botany) The sticky part of a flower that receives pollen during pollination.
  Quotations
  Now you see just how the stamen gets its lusty dust onto the stigma / And why this frenzied chlorophyllous orgy starts in spring is no enigma!
  1982, Dennis Linde (lyrics and music), “Reproduction”, in Grease 2
6. (medicine) A visible sign or characteristic of a disease.

stigma²

noun
plural stigmas
1. (typography) A ligature of the Greek letters sigma and tau, (Ϛ/ϛ).