Quahog \Qua"hog\, Quahaug \Qua"haug\, n. [Abbrev. fr.
Narragansett Indian poqua[^u]hock.] (Zool.)
An American market clam ({Venus mercenaria}). It is sold in
large quantities, and is highly valued as food. Called also
{round clam}, and {hard clam}.
[1913 Webster]
Note: The name is also applied to other allied species, as
{Venus Mortoni} of the Gulf of Mexico.
[1913 Webster] Quaigh