a whelk is a form of:

Whelk



ENGLISH MEANING
noun
1.
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.
2.
A papule; a pustule; acne.
3.
A stripe or mark; a ridge; a wale.