littleneck
/ˈlɪtlnɛk/US
noun
In full littleneck clam. A small individual of the quahog or hard clam, Mercenaria mercenaria.
- Used in shellfish marketing for a specific size of clam..
Origin
Mid 19th century. From the name of Little NeckBay in Long Island, New York, U.S.A., where clams of this kind were originally harvested.