noun

• (uncountable) 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.
• (countable) a member of the species.
• (uncountable) its flesh as a seafood.
• (New Zealand) Other species of Panopea, especially Panopea zelandica, native to the coasts of New Zealand.