- an American coastal food fish (Alosa sapidissima)
- a species (Dorosoma cepedianum) widely introduced into fresh waters of the U.S. as food for other fish
Origin of shadOld English sceadd, akin to Norwegian dialect, dialectal skadd, probably ; from Indo-European base an unverified form sk?t-, to leap, spring up
nounpl. shad or shads
Origin of shadMiddle English *schad, from Old English sceadd.
(plural shad or shads)
From Old English sceadd, either from Celtic (see Irish Gaelic sgadan (“herring"), Welsh ysgadan) or from Scandinavian (see dialectical Norwegian skadd (“small whitefish")