noun pl. stigmas -·mas, stigmata stig·ma′ta (stig′mə tə; stig mät′ə, -mat′ə)

1. Archaic a distinguishing mark burned or cut into the flesh, as of a slave or criminal
2. something that detracts from the character or reputation of a person, group, etc.; mark of disgrace or reproach
3. a mark, sign, etc. indicating that something is not considered normal or standard
4. a small mark, scar, opening, etc. on the surface of a plant or animal, as a pore or eyespot, etc.
5. 1. a spot on the skin, esp. one that bleeds as the result of certain nervous tensions
   2. marks resembling the crucifixion wounds of Jesus, appearing on some devout persons in a state of intense religious fervor
6. Bot. the free upper tip of the style of a flower, on which pollen falls and develops
7. Med. any sign characteristic of a specific disease
8. Zool. spiracle (sense )

Etymology: L < Gr, lit., a prick with a pointed instrument < stizein, to prick: for IE base see stick