Edible sea snail (5)
I believe the answer is:
whelk
(Other definitions for whelk that I've seen before include "Edible mollusc" , "Edible marine snail" , "Large, snail-like mollusc" , "Shellfish" , "Carnivorous mollusc" .)
I believe the answer is:
whelk
(Other definitions for whelk that I've seen before include "Edible mollusc" , "Edible marine snail" , "Large, snail-like mollusc" , "Shellfish" , "Carnivorous mollusc" .)