Sentence:  I survey the ice-lined crates containing sea snails, rock cod, sea urchin and a Vancouver favorite, <WSD>geoduck</WSD> (pronounced gooey-duck)—a giant clam. 
Meaning of the word marked with <WSD> tags:  The species of large saltwater clam (ver=161126), native to the northeast Pacific coasts from Alaska to Washington State, distinguished by its deep burrowing and long unprotected siphon;  a member of the species;  its flesh as a seafood.