periwinkle

(noun) chiefly trailing poisonous plants with blue flowers.

(noun) commonly cultivated Old World woody herb having large pinkish to red flowers. Synonyms: rose periwinkle, Madagascar periwinkle, old maid, Cape periwinkle, red periwinkle, cayenne jasmine, Catharanthus roseus, Vinca rosea.

(noun) small edible marine snail; steamed in wine or baked. Synonyms: winkle.

(noun) edible marine gastropod. Synonyms: winkle.