- [Gr. Myth] A youth beloved by Venus for his beauty. He was killed in the chase by a wild boar.
- A preëminently beautiful young man; a dandy.
- [Bot] A genus of plants of the family Ranunculaceæ, containing the pheasant's eye (Adonis autumnalis); -- named from Adonis, whose blood was fabled to have stained the flower.
Etymology: L., gr. Gr. 'A`dwnis