/ Dictionary / Index A Atka mackerel: Meaning and Definition of Find definitions for: At'ka mack'erel Pronunciation: (at'ku), [key] a black-banded mackerel, Pleurogrammus monopterygius, of northern Pacific seas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Atjehnese Atkins Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language