Whelk \Whelk\ (hw[e^]lk), n. [OE. welk, wilk, AS. weoloc, weloc, wiloc. Cf. {Whilk}, and {Wilk}.] (Zool.) Any one numerous species of large marine gastropods belonging to {Buccinum} and allied genera; especially, {Buccinum undatum}, common on the coasts both of Europe and North America, and much used as food in Europe. [1913 Webster] {Whelk tingle}, a dog whelk. See under {Dog}. [1913 Webster]