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whelk 1(wĕlk, hwĕlk)
Any of various large marine carnivorous snails chiefly of the family Buccinidae, having a pointed spiral shell, especially the edible species Buccinum undatum of the North Atlantic Ocean.
whelk 2(wĕlk, hwĕlk)
An inflamed swelling, such as a pimple or pustule.
[Middle English whelke, from Old English hwylca; akin to hwelian, to suppurate.]