Definition of "periwinkles" [periwinkles]

• Plural form of periwinkle. (noun)

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• "Common marsh snails such as periwinkles, coffee bean snails, and mud snails feed on detritus and are a food source for the larger animals in the marsh."
• "Of other shell-fish there are ten or twelve sorts, such as periwinkles, wilks, limpets, and some very beautiful sea-ears, also another sort which stick to the weeds; with some other things, as sea-eggs, star-fish, &c. several of which are peculiar to the place."
• "Plant summer annual plants that take the heat such as periwinkles, purslane, portulaca, lantana, etc."