nounWord forms: plural shad or shads
an American coastal food fish (Alosa sapidissima)
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'shad'OE sceadd, akin to Norw dial. skadd, prob. < IE base *skēt-, to leap, spring up