/ Dictionary / Index A albacore: Meaning and Definition of Find definitions for: al•ba•core Pronunciation: (al'bu-kôr", -kōr"), [key] — pl. -core, -cores. a long-finned tuna, Thunnus alalunga, of warm or temperate seas, the flesh of which is valued for canning. any of various tunalike fishes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: albacore (Thesaurus) Albacete Alba Longa Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language