Nouns

(n)periwinklechiefly trailing poisonous plants with blue flowers
(n)periwinkle, rose periwinkle, Madagascar periwinkle, old maid, Cape periwinkle, red periwinkle, cayenne jasmine, Catharanthus roseus, Vinca roseacommonly cultivated Old World woody herb having large pinkish to red flowers
(n)periwinkle, winklesmall edible marine snail; steamed in wine or baked
(n)periwinkle, winkleedible marine gastropod