Pronunciation: (am'bur-jak"), [key]
—pl. (esp. collectively) -jack, (esp. referring to two or more kinds or species) -jacks.
any of several yellow to coppery fork-tailed fishes of the genus Seriola, as S. dumerili of warm Atlantic waters. Also called amberfish.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.