The Collaborative International Dictionary
shad herring
Mattowacca \Mat`to*wac"ca\, n. [Indian name.] (Zo["o]l.) An American clupeoid fish ( Clupea mediocris), similar to the shad in habits and appearance, but smaller and less esteemed for food; -- called also hickory shad, tailor shad, fall herring, and shad herring.