Webster's Revised Unabridged Dictionary · 1913

Winkle

Winkle , noun

[Anglo-Saxon wincle.]

(a)
(Zoology) Any periwinkle.
(b)
(Zoology) Any one of various marine spiral gastropods, esp., in the United States, either of two species of Fulgar (Fulgar canaliculata, and Fulgar carica). — Holland

These are large mollusks which often destroy large numbers of oysters by drilling their shells and sucking their blood.

Collocations (1)
Sting winkle , a European spinose marine shell (Murex erinaceus). See Illust. of Murex.