Bible Dictionaries
Periwinkle

Webster's Dictionary

(1):

(n.) Any small marine gastropod shell of the genus Littorina. The common European species (Littorina littorea), in Europe extensively used as food, has recently become naturalized abundantly on the American coast. See Littorina.

(2):

(n.) A trailing herb of the genus Vinca.

Bibliography Information
Webster, Noah. Entry for 'Periwinkle'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/periwinkle.html. 1828.