geoduck

noun3

1. •
   The species of large saltwater clam Panopea generosa, native to the northeast Pacific coasts from Alaska to Washington State, distinguished by its deep burrowing and long unprotected siphon.

   • I survey the ice-lined crates containing sea snails, rock cod, sea urchin and a Vancouver favorite, geoduck (pronounced gooey-duck)—a giant clam. — 2004
2. •
   (New-Zealand) Other species of Panopea, especially Panopea zelandica, native to the coasts of New Zealand.

   • Alick Shaw... uses up to 14 kilograms of geoduck in chowder weekly... — 1989
3. •
   its flesh as a seafood.