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; a member of the species; its flesh as a seafood.
User Defined Definitions
"a large edible clam found burrowing deeply in sandy mud along the Pacific coast of North America; weighs up to six pounds; has siphons that can extend to several feet and cannot be withdrawn into the "