- a herbaceous Eurasian plant with sweet-smelling pink or white flowers and slender, typically gray-green, leaves.
- Genus Dianthus, family Caryophyllaceae (the pink family). This family includes the campions, chickweeds, stitchworts, and the cultivated carnations. See also clove1 (sense 3)
late 16th century: perhaps short for pink eye, literally 'small or half-shut eye'; compare with the synonymous French word oeillet, literally 'little eye'