DICT.TW Dictionary Taiwan

 shad /ˈʃæd/
 鯡魚類

 Shad n. sing. & pl.  Zool. Any one of several species of food fishes of the Herring family. The American species (Alosa sapidissima formerly Clupea sapidissima), which is abundant on the Atlantic coast and ascends the larger rivers in spring to spawn, is an important market fish. The European allice shad, or alose (Alosa alosa  formerly Clupea alosa), and the twaite shad (Alosa finta  formerly Clupea finta), are less important species. [Written also chad.]
 Note: ☞ The name is loosely applied, also, to several other fishes, as the gizzard shad (see under Gizzard), called also mud shad, white-eyed shad, and winter shad.
 Hardboaded shad, or  Yellow-tailed shad, the menhaden.
 Hickory shad, or  Tailor shad, the mattowacca.
 Long-boned shad, one of several species of important food fishes of the Bermudas and the West Indies, of the genus Gerres.
 Shad bush Bot., a name given to the North American shrubs or small trees of the rosaceous genus Amelanchier (Amelanchier Canadensis, and Amelanchier alnifolia).  Their white racemose blossoms open in April or May, when the shad appear, and the edible berries (pomes) ripen in June or July, whence they are called Juneberries.  The plant is also called service tree, and Juneberry.
 Shad frog, an American spotted frog (Rana halecina); -- so called because it usually appears at the time when the shad begin to run in the rivers.
 Trout shad, the squeteague.
 White shad, the common shad.
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 shad
      n 1: bony flesh of herring-like fish usually caught during their
           migration to fresh water for spawning; especially of
           Atlantic coast
      2: herring-like food fishes that migrate from the sea to
         freshwater to spawn