noun.
In Australia, a name given to the gastropod Turbo undulatus.
noun.
A plant of the genus Vinca, most often one or other of the familiar garden species, v. major, the larger, and v. minor, the lesser periwinkle.
noun.
A kind of seasnail; any member of the family Littorinidæ, and especially of the genus Littorina. See cuts under Littorina and Littorinidæ.
noun.
One of several large whelks or conch-shells, as Busycon (Fulgur) carica, Sycotypus canaliculatus, and various species of Purpura, as P. ostrina, P. lapillus, P. floridana: commonly called winkles or wrinkles. They are pests in the oyster-beds.