jack mackerel[jăkˈmăkˌər-əl, -măkˌrəl]
jack mackerel definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a marine food fish (Trachurus symmetricus) of the jack family, found in schools from British Columbia to Baja California
jack mackerel definition by American Heritage Dictionary
A common food and game fish (Trachurus symmetricus) of Pacific coastal waters. Also called saurel.