/ Dictionary / Index L lunker: Meaning and Definition of Find definitions for: lun•ker Pronunciation: (lung'kur), [key] — n. something unusually large for its kind. a very large game fish, esp. a bass. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lunitidal interval lunkhead Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language