1. a small edible sea snail with a spiral shell
2. a trailing evergreen plant with blue or purple flowers
3. a pale blue-purple color

Examples

• We collected periwinkles from the tide pools during our beach walk.
• The periwinkles clung tightly to the rocks as the waves crashed over them.
• Periwinkle flowers bloomed along the garden path in early spring.
• She planted periwinkle as ground cover in the shady areas of her yard.
• The walls were painted a soft periwinkle that complemented the white trim.
• Her dress was a lovely shade of periwinkle blue.
• The periwinkle shells made beautiful decorations for the coastal cottage.