#1 periwinkle n. chiefly trailing poisonous plants with blue flowers. wn
#2 periwinkle n. [rose periwinkle, Madagascar periwinkle, old maid, Cape periwinkle, red periwinkle, cayenne jasmine, Catharanthus roseus, Vinca rosea] commonly cultivated Old World woody herb having large pinkish to red flowers. wn
#3 periwinkle n. [winkle] small edible marine snail; steamed in wine or baked. wn
#4 periwinkle n. [winkle] edible marine gastropod. wn
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