- any of various marine gastropods or sea snails, especially Littorina littorea, used for food in Europe.
- the shell of any of these animals.
- a trailing plant, Vinca minor, of the dogbane family, having glossy, evergreen foliage and usually blue-violet flowers.
- any of several similar plants of the genus Vinca or Catharanthus.
- a blue-violet color.
- any of various edible marine gastropods of the genus Littorina, esp L. littorea, having a spirally coiled shell
- any of several Eurasian apocynaceous evergreen plants of the genus Vinca, such as V. minor (lesser periwinkle) and V. major (greater periwinkle), having trailing stems and blue flowers
- a light purplish-blue colour
- (as adjective)
